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19 Cards in this Set

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  • Back
What is a natural or artificial body that orbits another body?
Satellite
Too small for its gravity to hold onto an atmosphere or a moon
Mercury
Chunks of ice and rock that travel around the sun in a variety of orbits
Comets
What are sometimes called minor planets?
Asteroids
Has atmosphere, oceans, and green house effect that supports life
Earth
Has a dense hot atmosphere containing carbon dioxide and sulfuric acid
Venus
Has white clouds of methane ice and a moon nicknamed "cantaloupe moon"
Neptune
Has a moon nearly half its size, and it is called the "double planet"
Pluto
Has mountains, deserts, volcanoes, canyons,and a thin atmosphere of carbon dioxide
Mars
It is made up of the dust, gas particles, and rocks thrown off by comets
Meteoroids
What is a meteor that PLUNGES to the EARTH in one piece?
Meteorite
Distance between the Earth and sun
astronomical unit
Which planet is blue-green?
Uranus
Why are asteroids considered to be parts of a planet?
The force of Jupiter's gravity may have pulled the tiny planet apart
What are the inner planets made up of?
rock
Has a giant red spot that may be a huge storm?
Jupiter
Which planet can float of water?
Saturn
Small rocky bodies that orbit the sun between Mars and Jupiter.
asteriods
What are the outer planets made up of?
Gas