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Question | Answer |
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stars | are huge balls of hot, glowing gases that produce their own heat and light |
astronomy | is the study of objects in space and their characteristics |
galaxy | is a group of billions of stars, the objects that orbit the stars, gas, and dust |
universe | is everything that exists |
solar system | is made up of a star and planets and other space objects that revolve around it |
planet | is a large round body that revolves around a star |
dwarf planet | are nearly round bodies whose orbits cross the orbits of other bodies |
asteroids | are rock and iron objects that orbit the sun |
comet | is a chunk of frozen gases, rock, ice, and dust |