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10 Cards in this Set
- Front
- Back
- 3rd side (hint)
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lightyear |
a unit of astronomical distance
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galaxy |
Galaxy A galaxy is a gravitationally bound system of stars Elliptical Galaxy galaxy having a smooth, nearly featureless brightness profile. |
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Elliptical Galaxy |
Is a type of galaxy having an approximately ellipsoidal shape |
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Spiral Galaxy |
Spiral galaxy galaxy Spiral galaxies consist of a flat, rotating disc containing stars, gas and dust, and a central concentration of stars |
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Irregular Galaxy |
Irregular Galaxy a galaxy that does not have a distinct regular shape |
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Planets |
Planets our solar system is extensive but it is far from complete Moons the natural satellite of the earth |
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Moons |
large rocky planets that orbit around them. |
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Asteroids |
a chunk of rock that travels in space. |
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Comets |
A comet is an icy small Solar System Meteoroids a piece of stone-like or metal-like debris which travels in outer space |
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Meteroids |
Asteroids minor planets, especially those of the inner Solar System Commets |
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