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Science: Astronomy Quiz

Meteors that reach the Earth's surface are called ____. asteroids
Stars arise in freezing clouds of dust and gas known as ____. comets
Millions of ____ (huge rocks) orbit between Mars and Jupiter. constellations
Most ____ originate in the Kuiper belt or the Oort cloud. meteorites
When asteroids smash together, ____ (small rocks) break off. meteoroids
Mizar and Alcor are double ____ in the Big Dipper asterism. meteors
The celestial sphere is divided into 88 ____. nebulae
Meteoroids that enter the Earth's atmosphere are called ____. stars