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17 Cards in this Set
- Front
- Back
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Moon
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Closest celestial object to the Earth.
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Universe
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Everything that exists in any place- all the space, matter, and energy in existence.
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White and Black Dwarfs
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Not all white dwarfs are actually white, but they are small (around size of Earth.)
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Galaxies
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A galaxy is a collection of billions of stars and various amounts of gas and dust held together by gravity.
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Stars
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A star is a large ball of gas held together by gravity the produces Tremendous amounts of energy and shines!
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Gravity
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The force of attraction between two objects.
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Ellipse
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Flattened circle.
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Perihelion
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When an object orbiting around an object is closest to that object.
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Aphelion
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When an object is furthest from the foci.
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Solar System
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Powerful telescopes on Earth and in space have shown planets orbiting stars!
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Jovian planets
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Far from sun and largely gaseous.
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Asteroids
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A solid rocky and/ or metal body that orbits the sun.
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Tides
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Cyclical rise and fall of the oceans.
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Satellites
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Any object that orbits or revolved around another object.
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Planets
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9 planets are the largest objects that independently orbit the sun.
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Comets
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Mostly made of solides; icy/metallic
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Meteoroids
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Are small solid fragments.
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