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Definition
| Permanent object in the sky |
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Definition
| All matter and energy in space |
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Definition
| A group of billions of stars and their planets, gas, and dust that extends over many thousands of light-years and forms a unit within the universe |
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Definition
| The sun and everything that orbits the sun including planets, satellites, asteroids, meteors, and comets that are subject to its gravitational pull |
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| A gaseous mass in space that generates energy by thermonuclear reactions |
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| A round body in space that orbits a star and does not shine with its own light |
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| Name given to only natural satellite of Earth |
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| Small rocky or metallic body that orbits the sun |
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| A relatively small extraterrestrial body consisting of a frozen mass that travels around the sun in a highly elliptical orbit |
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| Any of the small bodies, often remnants of comets, traveling through space |
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| Any of the small solid extraterrestrial bodies that hits the earth's atmosphere |
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| Any part of a meteor that survives passage through the atmosphere and lands on the surface of Earth |
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| The apparent brightness of a star as observed from Earth. |
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Definition
| How bright a star appears from 32.6 light years away. |
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Definition
| The quality of being bright |
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| The apparent motion of an object caused by viewing the object from different locations. |
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Definition
| The early stage of forming a star. |
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| A cloud of dust and gas in space. |
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| The remains of a supermassive star that has exploded and collapsed in on itself. |
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| What happens after a giant or supergiant star explodes |
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Definition
| A remnant of a red giant star that has exploded. |
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| the burned out core of a white dwarf star. |
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Definition
| a star that has a mass at least 6 to 10 times greater than earth's sun. |
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| a small, extremely dense star composed mostly of neutrons. |
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