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3
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Orbits a star and is large enough to form a spherical shape under its own gravity. Mercury, Venus, Earth and Mars are examples.
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5
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A shooting star. Most are about the size of a grain of sand.
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6
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A minor planet that is generally rocky or metallic and not large enough to form a spherical shape.
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8
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A space object that is so massive nothing, not even light, can escape its gravity.
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10
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A gigantic star that is nearing the end of its life cycle. Generally glows red.
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11
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A group of billions of stars. Andromeda is an example.
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12
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The leftover material when a star is at the end of its life cycle. Very dense but also very small. Glows white but is not very bright..
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13
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The galaxy in which we live. Contains 100-400 Billion stars.
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1
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Icy objects that heat up and release gasses as they pass close to the sun. Halley's is an example.
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2
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Started with the Big Bang and contains all of time and space and its contents.
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4
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Space object that orbits a planet. Earth has one. Jupiter and other gas giants have many.
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7
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Contains the Sun and the planets that orbit it.
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9
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A glowing sphere of plasma held together by its own gravity.
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