Astronomy

What is the name of the model in which the Sun is in the middle of the Solar System?

• Solarcentric
• Suncentric
• Geocentric
• Heliocentric

What is the name of the model in which the Earth is at the center of the Solar System?

• Geocentric
• Heliocentric
• Earthcentric
• Landcentric 

What two factors combine to keep the planets moving in orbit?

• Gravity and Mass
• Gravity and Weight
• Inertia and Gravity 
• Inertia and Mass

Where is the asteroid belt located?

• Between the Earth and Moon
• Between the orbits of Mars and Jupiter
• Between Earth and Mars
• Between the Sun and Mercury

Galileo discovered huge pits on the moon called what?

• Moon holes
• Dips
• Bends
• Craters

Which term below is a relatively small, rocky body that travels through space?

• Asteroid
• Meteoroid
• Meteorite
• Meteor

Which term describes a meteoroid that reaches the Earth's surface without burning up completely?

• Asteroid
• Meteoroid
• Meteorite
• Meteor

Which term describes a bright streak of light that results when a meteoroid burns up in the Earth's atmosphere?

• Asteroid
• Meteoroid
• Meteorite
• Meteor

What type of galaxy is the Milky Way?

• Spiral
• Elliptical
• Regular
• Irregular

What term describes the theory that states the universe began with a tremendous explosion?

• The Loud Crash Theory
• The Big Bang Theory
• The Tremendous Explosion Theory
• The Big Boom Theory