AR interaction system based on constellation celestial body

Abstract

The invention discloses an AR interaction system based on a constellation celestial body, and particularly relates to the technical field of mixed reality experience science popularization education, and the system comprises an interaction space which is composed of a dome, a wallboard, a floor, an experience seat and mixed reality equipment, the dome is pasted with a constellation painting, the wallboard is provided with a projection screen and a lamp box, and the floor is provided with the experience seat; the mixed reality device is hinged to the seat, is in Bluetooth connection with the loudspeaker box, wirelessly transmits data with the projection screen, and integrates various advanced components. According to the system, a virtual starry sky and a real scene are fused through a mixed reality technology, a clear content system and an exploration environment are provided for a user, constellation recognition and detailed analysis display are achieved, immersive experience of virtuality and reality combination is brought, the system has the advantages of personalized and shared science popularization, professional authority and the like, and the system is worthy of popularization and application. The method can be applied to various scenes such as science and technology museums, schools and outdoors, the learning interest and effect of users on constellation knowledge are effectively improved, and constellation science popularization education development is promoted.

Description

Technical Field

[0001] The present invention relates to the field of mixed reality experience popular science education technology, and more specifically, to an AR interaction system based on constellations and celestial bodies. Background Art

[0002] Mixed reality technology (MR) is a new technology that "seamlessly" integrates and interacts real-world information with virtual world information. In actual scenarios, virtual information is applied to the real world through simulation and then superimposed, and perceived by human senses, thereby achieving a sensory experience beyond reality. The real environment and virtual objects are superimposed on the same screen or space in real time and exist at the same time, which not only displays real-world information, but also virtual information at the same time. The two types of information complement and superimpose each other, and can realize interaction between users and information.

[0003] With the continuous development of science and technology, people's desire to explore the universe and the stars is growing stronger. As an important part of the stars, constellations have always attracted the attention of the public. However, the existing popular science methods of constellations have the following limitations: 1. Currently, astrology knowledge is mainly available on computers or mobile phones, in the form of web pages, pictures, videos, apps, etc. Although these forms have spread astrology knowledge to a certain extent, the content is often fragmented and lacks systematicity and depth. For example, the introduction of the astronomical principles, historical and cultural background, and potential connections with human life of the constellations is not comprehensive and in-depth enough, making it difficult to meet users' needs for in-depth exploration of astrology knowledge.

[0004] 2. Most constellation science content on the Internet lacks the review and endorsement of professional astronomical institutions or scholars, resulting in uneven accuracy and reliability of the information. Some statements and explanations that have not been scientifically verified are widely circulated on the Internet, which can easily mislead users, especially beginners who have little knowledge of constellations.

[0005] 3. Existing popular science on astrology fails to fully consider the differences in needs of different user groups. Whether it is a beginner or a fan who has studied astrology to some extent, they all receive roughly the same general content, and cannot provide personalized popular science services based on the user's knowledge level, interests and learning goals.

[0006] 4. Traditional popular science methods are mostly one-way information transmission. Users can only passively receive knowledge and cannot truly interact with the constellations. This lack of interactivity in popular science models makes it difficult to stimulate users' interest and enthusiasm in learning, and is not conducive to users' in-depth understanding of constellation knowledge.

[0007] In order to overcome these problems, it is particularly important to provide a systematic, professional and highly interactive constellation science popularization environment. Therefore, an AR interactive system based on constellation celestial bodies is proposed. Summary of the invention

[0008] In order to overcome the above-mentioned defects of the prior art, the present invention provides an AR interaction system based on constellations and celestial bodies to solve the problems raised in the above-mentioned background technology.

[0009] To achieve the above object, the present invention provides the following technical solution: an AR interactive system based on constellation celestial bodies, comprising an interactive space, wherein the interactive space comprises: A dome, wherein the material of the dome is a light wooden sheet, and a constellation spray painting is attached to the dome; A wall panel, a projection screen and a light box are provided on the surface of the wall panel for displaying constellation-related information and visual effects; The floor is made of wood and is circular in shape. A starry sky pattern is pasted on the floor to create a starry sky environment together with the dome and the wall panels; An experience seat, which is placed on the floor. Speakers are provided on both sides of the head of the backrest of the experience seat. The experience seat can be adjusted in angle and height. The adjustable angle of the experience seat is 0-180 degrees, and the height adjustment range is 5-20 cm. A mixed reality device is hinged on the experience seat, and the mixed reality device and the speaker are connected by Bluetooth, and wireless data is transmitted between the mixed reality device and the projection screen. The mixed reality device is in the shape of a mask or glasses, and the mixed reality device integrates a display, a speaker, an image tracker and identifier, an accelerometer, a gyroscope, a magnetometer, a proximity sensor, an ambient light sensor, two computer vision cameras, and a 5-megapixel camera, which are used to identify and display virtual information related to the constellation and seamlessly integrate with the real world.

[0010] Preferably, the dome is hung in the center of the exhibition space, and its production process includes processing the shape on the ground, filling and smoothing the joints, spraying the entire dome, spraying the constellations, and then hoisting it above the roof of the exhibition space, and using multiple ropes to ensure stable hoisting.

[0011] Preferably, each light box on the wall panel is connected to the mixed reality device via wireless communication technology, so as to be replaced at any time according to the content to be displayed.

[0012] Preferably, the mixed reality device has a built-in Android system, senses and adapts to the environment by being equipped with two spatial computing cameras to create an immersive experience, and is placed directly in front of the head position of the experience seat.

[0013] Preferably, the mixed reality device may be mixed reality glasses, which may be hinged or non-histogrammed to the experience seat.

[0014] Preferably, the projection screen is a display device, which is hung in the middle of the wall panel and is used to project the image seen by the user onto the screen so that the user who is not wearing the head display device can understand the experience content.

[0015] Preferably, the system provides constellation information, which includes the twelve zodiac constellations: Aries, Taurus, Gemini, Cancer, Leo, Virgo, Libra, Scorpio, Sagittarius, Capricorn, Aquarius, Pisces, and eight additional major constellations: Ursa Major, Andromeda, Cepheus, Orion, Hydra, Draco, Phoenix, and Centaurus.

[0016] Technical effects and advantages of the present invention: Through carefully designed interactive spaces and rich displays of constellation knowledge, this system provides users with a clear content system and exploration environment. Users can systematically learn constellation knowledge in this environment, gain an in-depth understanding of the characteristics and significance of each constellation from different perspectives, and meet users' needs for in-depth exploration of constellation knowledge.

[0017] With the help of mixed reality technology, the virtual starry sky is perfectly integrated with the real interactive space. Users can freely observe the starry sky in different areas by turning their heads and bodies, and interact with virtual constellations, such as viewing detailed constellation information and exploring the positional relationship between constellations. This combination of virtual and real experience greatly enhances the user's sense of immersion, makes the learning process more vivid and interesting, and effectively improves the user's enthusiasm and initiative in learning.

[0018] The system can provide personalized constellation science content based on the user's operation and needs. Users with different knowledge levels and interests can find a learning path and content depth that suits them in the system. At the same time, through the projection function of the projection screen, the science experience can be shared, so that more people who are not directly involved in the mixed reality experience can also understand constellation knowledge, expanding the audience range of science popularization.

[0019] The constellation knowledge content in the system has been collected, organized and verified by a professional team to ensure the accuracy and authority of the information. The analysis of each constellation has a scientific basis, which avoids users from being misled and provides users with a reliable learning platform. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0021] Figure 2It is a schematic diagram of the structure of the experience seat of the present invention.

[0022] Figure 3 It is a schematic diagram of the main structure of the present invention.

[0023] Figure 4 It is a side structural schematic diagram of the present invention.

[0024] Figure 5 It is a front view three-dimensional structure schematic diagram of the present invention.

[0025] The accompanying drawings are marked as follows: 1. dome; 2. experience seat; 3. floor; 4. wall panel; 5. light box; 6. mixed reality device; 7. speaker; 8. projection screen. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] As attached Figure 1-5 An AR interactive system based on constellation celestial bodies is shown, including an interactive space, wherein the interactive space includes: Dome 1, the material of the dome 1 is a light wooden sheet, and the dome 1 is attached with a constellation spray painting; A wall panel 4, on the surface of which a projection screen 8 and a light box 5 are provided for displaying constellation-related information and visual effects; The floor 3 is made of wood and is circular in shape. A starry sky pattern is pasted on the floor 3 to create a starry sky environment together with the dome 1 and the wall panel 4. An experience seat 2 is placed on a floor 3. Speakers 7 are provided on both sides of the head of the backrest of the experience seat 2. The experience seat 2 can be adjusted in angle and height. The adjustable angle of the experience seat 2 is 0-180 degrees, and the height adjustment range is 5-20 cm. A mixed reality device 6 is hinged on the experience seat 2, and the mixed reality device 6 is connected to the speaker 7 by Bluetooth, and wireless data is transmitted between the mixed reality device 6 and the projection screen 8. The mixed reality device 6 is in the shape of a mask or glasses, and the mixed reality device 6 integrates a display, a speaker, an image tracker and identifier, an accelerometer, a gyroscope, a magnetometer, a proximity sensor, an ambient light sensor, two computer vision cameras, and a 5-megapixel camera, which are used to identify and display virtual information related to the constellation and seamlessly integrate with the real world.

[0028] Specifically, Dome 1 is made of light wooden veneer and is formed through a series of fine production processes. First, the shape of Dome 1 is formed on the ground through a specific processing technology, and then the joints are filled with plaster and smoothed. After the shape is completely fixed, the whole is painted, and finally the carefully crafted constellation spray-painted is attached to the surface of Dome 1. Dome 1 can be hung in the center or fixed by support according to the actual situation of the display space. After production is completed, it is hoisted with multiple ropes to ensure its stability and facilitate subsequent maintenance. The constellation spray-painted on Dome 1 clearly displays multiple constellation patterns, providing users with an intuitive starry sky reference.

[0029] Wall panel 4: A projection screen 8 and a light box 5 are arranged on the surface. The pure white wall is not conducive to the user's immersion in the popular science experience of the constellations. Therefore, by arranging light boxes 5 and projection screens 8 related to the constellation theme on the wall, the environmental atmosphere is enhanced. The light box 5 can be replaced at any time according to the content to be displayed, such as displaying mythological stories of the constellations, related astronomical events and other graphic information to enrich the user's learning content. The projection screen 8, as an important display device, is hung in the middle of the exhibition wall. The screen can project the picture seen by the user in the mixed reality device 6, which is convenient for other people who are not wearing head-mounted display devices to understand the experience content and realize the sharing of popular science information.

[0030] Floor 3: Also made of light wooden veneer, it is required to be strong, wear-resistant and well-supported to adapt to frequent trampling of people. Floor 3 is pasted with starry sky pattern spray painting. Its material has high wear resistance and toughness. The starry sky pattern spray painting echoes the constellation spray painting of dome 1, making users feel as if they are in the vast starry sky, enhancing the immersion of the entire interactive space.

[0031] Experience Chair 2: It is ergonomically designed and can be precisely adjusted to the most comfortable angle (adjustment range is 0-180 degrees) and height (adjustment range is 5-20 cm) according to the needs of users with different body shapes. The seat is located directly above the center of the circular floor 3, which is the best position for users to experience the product. When users sit on Experience Chair 2, they feel as if they are in the vast starry sky, and a sense of immersion arises spontaneously.

[0032] Mixed reality device 6: It is in the shape of a mask and integrates a variety of advanced components, including displays, speakers, image tracking and recognition, accelerometers, gyroscopes, magnetometers, proximity sensors, ambient light sensors, two computer vision cameras, a 5-megapixel camera and a built-in Android system. The device is equipped with two spatial computing cameras to keenly perceive and adapt to the surrounding environment, creating an immersive experience for the user. The device is placed directly in front of the head position of the seat, and the user can easily wear the device just by sitting on the seat. The mixed reality device 6 can be hinged to the backrest of the experience seat 2 through a hinge axis, so that the user can quickly wear and adjust the device when sitting; it can also be in the form of non-articulated mixed reality glasses to provide users with a more flexible wearing method.

[0033] During specific use, the speakers 7 on both sides of the head position of the backrest of the experience seat 2 are connected to the mixed reality device 6 via Bluetooth to achieve synchronous transmission of audio signals, and clearly display the dubbing of the virtual content in the mixed reality device 6, bringing shocking spatial stereo sound effects to the user. The mixed reality device 6 and the projection screen 8 on the wall panel 4 use [wireless data transmission technology type, such as Wi-Fi6] wireless data transmission method to project the picture seen by the user in the mixed reality device 6 onto the projection screen 8 in real time, making it convenient for bystanders to watch.

[0034] After the user wears the mixed reality device 6, the first thing that comes into view is a realistic starry sky scene, followed by the precise superposition of the mixed reality scene and the constellation painting on the dome 1. The system uses the image tracking and recognition device in the mixed reality device 6 to identify the constellation on the dome 1. When the recognition is successful, a detailed digital analysis of the constellation will immediately appear on the mixed reality device 6. These analysis contents are presented in various forms such as pictures, videos, 3D models, etc., including the name, location, characteristics of the stars that make up the constellation, myths and legends, astronomical significance, and connection with human culture, etc., so that users can fully and deeply understand the knowledge of the constellation.

[0035] This system mainly displays 20 representative constellations, including the common 12 constellations (Aries, Taurus, Gemini, Cancer, Leo, Virgo, Libra, Scorpio, Sagittarius, Capricornus, Aquarius, Pisces) and eight new constellations (Ursa Major, Andromeda, Cepheus, Orion, Hydra, Draco, Phoenix, Centaurus). In the future, with the upgrade and iteration of the product, we will continue to introduce more popular constellations, and make the more popular constellations into exquisite graphic display boards, which will be displayed on the exhibition walls around the interactive space to further enrich the user's learning resources.

[0036] When installing and debugging the mixed reality device 6, place the mixed reality device 6 in front of the head of the seat to ensure that it is easily worn by the user after the user sits down. If it is an articulated device, check whether the hinge connection is firm and flexible to ensure that the device can rotate smoothly during wearing and adjustment to adapt to the operating habits of different users. For non-articulated mixed reality glasses, prepare a suitable storage bracket or storage box to facilitate users to properly place the device when not in use.

[0037] Turn on the mixed reality device 6 and perform initialization settings according to the system guidance. During the setup process, according to the actual environment of the display space, calibrate the device's ambient light sensor, accelerometer, gyroscope and other parameters to ensure that the device can accurately perceive the surrounding environment information and provide users with a stable and accurate mixed reality experience. For example, in a dark environment, adjust the sensitivity of the ambient light sensor so that the device screen brightness can automatically adapt to environmental changes without affecting the user's observation of the starry sky scene.

[0038] A specially developed constellation science interactive software system is installed in the mixed reality device 6. The software system includes key components such as a rich constellation knowledge database, image recognition algorithm, virtual starry sky scene rendering engine, and user interaction interface program. During the installation process, ensure that the software is compatible with the hardware configuration of the device to avoid problems such as running freezes or functional abnormalities.

[0039] Check the software system for updates regularly, and download and install the latest version in a timely manner. Software updates may include the addition of new constellation knowledge, the improvement of image recognition accuracy, the optimization of virtual scene effects, and the improvement of user interaction experience. By continuously updating the software system, we provide users with richer, more accurate, and smoother constellation science popularization interactive services.

[0040] Calibrate the two computer vision cameras and the 5-megapixel camera on the mixed reality device 6. During the calibration process, professional calibration tools and standard test patterns are used to ensure that the camera can accurately capture the image information of the surrounding environment and provide reliable data support for the image tracking and recognition functions. For example, adjust the camera's focus, aperture, white balance and other parameters to make the captured constellation inkjet images clear and accurate in color, so that the system can accurately recognize the constellation pattern.

[0041] Calibrate and test the accelerometer, gyroscope, magnetometer and other sensors in the device. Through a specific calibration procedure, the user follows the device prompts to perform a series of actions, such as rotating, tilting, and moving the device, so that the sensor can accurately record the device's motion state and direction changes. The calibrated sensor data will be used to achieve user head movement tracking, dynamic response of virtual starry sky scenes, and interactive operations with constellations, ensuring that users can experience natural and smooth interaction effects during the experience.

[0042] When implementing in specific scenarios: Real-time scene 1 In the Science and Technology Museum, a circular exhibition hall with an area of ​​about 200 square meters is set up in the central area of ​​the interactive space of the constellation science popularization interactive system. The top of the exhibition hall is about 5 meters high, with good ventilation and lighting conditions (the lights can be dimmed during the experience to enhance the starry sky effect).

[0043] Install and arrange the entire system in this scenario: Dome 1: Dome 1 is made of light wooden sheets with a diameter of about 10 meters. After the ground processing is completed, Dome 1 is hung in the center of the top of the exhibition hall through multiple steel cables with a diameter of 1 cm, ensuring that Dome 1 is about 3 meters above the ground, which is convenient for visitors to observe and experience. The constellation printing on Dome 1 is designed and produced according to the precise star map, using high-resolution printing technology to make the constellation pattern clear and realistic.

[0044] Wall panel 4: The walls around the exhibition hall are designed in a unified manner, and the starry sky theme is sprayed on the part above 1 meter from the ground. The sprayed content includes constellation connection diagrams, constellation mythology scenes, and artistic depictions of some astronomical phenomena. On the wall facing the entrance of the interactive space, a 100-inch high-definition projection screen 8 is installed to display the images seen by users in the mixed reality device 6. On other walls, multiple light boxes 5 with replaceable content are set as needed to display popular science articles, interesting pictures, etc. related to constellations.

[0045] Floor 3: Floor 3 is paved with 3 cm thick light wooden veneer in a circular shape with a diameter of about 12 meters, which echoes Dome 1. The starry sky pattern on Floor 3 is spray-painted with special anti-slip and wear-resistant materials, ensuring the safety of the audience while blending into the overall starry sky environment.

[0046] Experience Seat 2: In the central area of ​​Floor 3, 10 ergonomically designed Experience Seats 2 are evenly placed. Each seat can be adjusted in height (5-20 cm) and angle (100-130 degrees) according to the body shape of the audience. The seat is made of black leather with a silver metal frame, matching the modern technological style of the Science and Technology Museum.

[0047] Mixed reality device 6: Each experience seat 2 is equipped with a mask-shaped mixed reality device 6, which is connected to the seat back through a hinge shaft, and the hinge shaft can achieve 360-degree rotation, which is convenient for audiences of different heights and sitting postures to wear. The device has a built-in Android system and is equipped with a 2.4GHz / 5GHz dual-band Wi-Fi module for wireless data transmission with the projection screen 8; the Bluetooth version is 5.0 to ensure a stable connection with the seat speaker 7. Each device is equipped with two computer vision cameras with a resolution of 1920x1080 and a 5-megapixel camera for image tracking and recognition.

[0048] During the specific experience learning, after entering the exhibition hall, the audience sits in the experience seats 2 in groups under the guidance of the staff. The staff helps the audience wear the mixed reality device 6 and turns on the power of the device. After the device is started, it automatically calibrates the ambient light sensor, accelerometer, gyroscope and other sensors, completes the Bluetooth pairing connection with the seat speaker 7, and establishes a Wi-Fi connection with the projection screen 8.

[0049] The first thing the audience sees is a realistic panoramic picture of the starry sky, with stars twinkling and the Milky Way spanning the sky. As the audience's head turns, the virtual starry sky scene naturally changes with the perspective. At this time, the system voice prompts the audience to look at the dome 1 and start constellation recognition. When the audience's eyes are focused on a certain constellation, the mixed reality device 6 quickly identifies the constellation pattern. For example, after identifying the Big Dipper, a translucent information window immediately pops up on the device screen, showing the name of the Big Dipper, its position in the sky, which major stars it is composed of, related myths and legends (such as the story of Zeus turning Callisto into a big bear in ancient Greek mythology), and detailed information such as observation methods in different seasons and times. At the same time, the seat speakers 7 play soft background music and clear voice explanations to deepen the audience's understanding of constellation knowledge.

[0050] During the experience, the audience can select different constellations to view by moving their head, or perform some simple operations through the touch control panel on the device (located on the side of the device), such as zooming in and out of the constellation model, switching to view different types of constellation knowledge content (such as astronomical data, cultural significance, etc.). The audience who are not wearing the head display device can learn about the constellation knowledge together with the audience who are experiencing it by watching the content displayed on the projection screen 8, and realize the sharing of popular science information.

[0051] Each group of experience lasts about 15 minutes. After the experience, the audience takes off the equipment and leaves the experience area in an orderly manner. After the staff conducts a simple inspection and disinfection of the equipment, they welcome the next group of audience.

[0052] Finally, a few points should be explained: First, in the description of the present invention, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change; Secondly: In the drawings of the embodiments disclosed in the present invention, only the structures related to the embodiments disclosed in the present invention are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present invention can be combined with each other; Finally: The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An AR interactive system based on constellations, characterized in that: An interactive space is included, wherein the interactive space includes: A dome (1), wherein the material of the dome (1) is a light wooden sheet, and a constellation spray painting is attached to the dome (1); A wall panel (4), wherein a projection screen (8) and a light box (5) are arranged on the surface of the wall panel (4) for displaying constellation-related information and visual effects; A floor (3), the floor (3) being made of a wooden material and having a circular shape as a whole, and having a starry sky pattern spray-painted on the floor (3) for creating a starry sky environment together with the dome (1) and the wall panel (4); An experience seat (2), the experience seat (2) being placed on a floor (3), speakers (7) being arranged on both sides of the head of the backrest of the experience seat (2), the experience seat (2) being capable of adjusting the angle and height, the adjustable angle of the experience seat (2) being 0-180 degrees, and the height adjustment stroke being 5-20 centimeters; A mixed reality device (6), wherein the mixed reality device (6) is hinged on the experience seat (2), and the mixed reality device (6) and the speaker (7) are connected by Bluetooth, and wireless data transmission is used between the mixed reality device (6) and the projection screen (8), and the mixed reality device (6) is in the shape of a mask or glasses, and the mixed reality device (6) integrates a display, a speaker, an image tracking and recognition device, an accelerometer, a gyroscope, a magnetometer, a proximity sensor, an ambient light sensor, two computer vision cameras, and a 5-megapixel camera, and is used to recognize and display virtual information related to constellations and seamlessly integrate with the real world.

2. The AR interactive system based on constellation celestial bodies according to claim 1, characterized in that: The dome (1) is hung in the center of the exhibition space. Its manufacturing process includes processing the shape on the ground, filling and smoothing the joints, spraying paint on the whole, spraying the constellations, and then hoisting it above the roof of the exhibition space, and using multiple ropes to ensure stable hoisting.

3. The AR interactive system based on constellation celestial bodies according to claim 1, characterized in that: Each light box (5) on the wall panel (4) is connected to the mixed reality device (6) via wireless communication technology, so as to be replaced at any time according to the content to be displayed.

4. The AR interactive system based on constellation celestial bodies according to claim 1, characterized in that: The mixed reality device (6) has a built-in Android system and is equipped with two spatial computing cameras to sense and adapt to the environment, thereby creating an immersive experience. The device is placed directly in front of the head position of the experience seat (2).

5. The AR interactive system based on constellation celestial bodies according to claim 1, characterized in that: The mixed reality device (6) may be mixed reality glasses, which may be hinged or not hinged to the experience seat (2).

6. The AR interactive system based on constellation celestial bodies according to claim 1, characterized in that: The projection screen (8) is a display device, and the projection screen (8) is hung in the middle of the wall panel (4) and is used to project the image viewed by the user onto the screen, so that the user who is not wearing the head display device can understand the experience content.

7. The AR interactive system based on constellations and celestial bodies according to claim 1, characterized in that: The system provides constellation information, including the twelve zodiac constellations: Aries, Taurus, Gemini, Cancer, Leo, Virgo, Libra, Scorpio, Sagittarius, Capricorn, Aquarius, Pisces, and eight additional major constellations: Ursa Major, Andromeda, Cepheus, Orion, Hydra, Draco, Phoenix, and Centaurus.

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