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20 Cards in this Set

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  • Back
The group of planets closest to the Sun is known as what?
the inner planets
The group of planets beyond the asteroid belt is known as what?
the outer planets
What is the region between Mars and Jupiter known as?
the asteroid belt
What are small, rocky, minor planets that orbit the Sun in the asteroid belt?
asteroids
What is another name for a shooting star?
meteor
What are space rocks that hit the ground?
meteorites
What is the name of Earth's solar system?
The Milky Way
What planet has only one moon and has the necessary conditions to support life?
Earth
Name the gas giants or outer planets.
Jupiter, Saturn, Uranus, & Neptune
Name the inner planets.
Mercury, Venus, Earth, and Mars
What is a large star system held together by gravity?
galaxy
What is a "dirty snowball" made from mixtures of rock, ice, and space dust?
comet
What is the largest planet?
Jupiter
What is the planet with the most rings?
Saturn
What is the planet that was "knocked on its side?"
Uranus
What planet has strong winds and pink dust storms?
Mars
What is the hottest planet that rotates backwards?
Venus
What galaxy has a circular shape?
Elliptical
What galaxy has a central bulge of stars with "arms" coming out?
Spiral
What galaxy contains star systems which are not spiral or elliptical?
Irregular