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19 Cards in this Set
- Front
- Back
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Asteroid
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any rock smaller in size than a planet and orbiting the sun
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Astronimical Unit
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average distance between the sun and earth 150 million km
used to determine the distance to objects located in the solar system |
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Comet
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mass of dust, rock particles, and frozen gas that is actedon by solar winds and develops a tail when passing near the sun
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Earth
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3rd planet from the sun...only planet with known life and majority of it is covered with water...seems blue when viewed from space
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Great Red Spot
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huge swirling gas storm under high pressure in Jupiter's atmosphere
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Inner Planets
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Mercury, Venus, Earth, and Mars
The rocky solid planets nearest to the Sun |
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Jupiter
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5th planet from the sun...largest planet...made of gas
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Mars
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4th planet from the sun...known as the red planet
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Mercury
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1st planet from the sun...2nd smallest... has craters and high cliffs
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Meteor
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Any meteroid entering the atmospher of Earth that burns up as it falls
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meteorite
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a meteroid that does not burn before striking the Earth's surface
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Neptune
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Ususally the 8th planet from the Sun...gaseous and have features that resemble storms
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Oort Cloud
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A group of comets surrounding the solar system beyond the orbit of Pluto...thought to be primary source of Comets in our Solar System
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Outer Planets
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Jupiter, Saturn, Uranus, Neptune, and Pluto...farthest planets from the Sun
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Pluto
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9th planet from the Sun...smallest planet in solar system...the only outer planet with a solid icy surface
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Saturn
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6th planet from the Sun...made of liquid and gas..has large rings
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Solar System
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system of 9 planets and other objects orbiting the Sun....may have been created from ice, gas, and dust over 5 billion years ago
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Uranus
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7th Planet from the Sun....orbits laying on its side...large and gaseous
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Venus
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2nd planet from the Sun...coverd by carbon dioxide and sulfuric acid atmosphere...hot
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