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SolarSystem/Universe
Topic 12: Lesson 1 Solar System Objects
Question | Answer |
---|---|
the sun, the planets, their moons and a variety of smaller objects | solar system |
the average distance measured from the center of the sun to the center of the Earth, which is about 150,000,000 km | astronomical unit |
a gaseous body much larger than anything else in the solar system | sun |
a round object that orbits the sun and has cleared out the region of the solar system along its orbit | planet |
a natural satellite or celestial body in orbit | moon |
small, mostly rocky bodies that orbit the sun and are found in the area between the orbits of Mars and Jupiter | asteroids |
chunks of rock or dust that are smaller than asteroids | meteoroids |
loose balls of ice and rocks that usually have very long, narrow orbits | comets |
a trait or characteristic | feature |