Earth’s natural satellite is the 

• Sun
• comet
• asteroid
• moon

The study of celestial objects (bodies) in space 

• astronomy
• cosmology
• astrology

The first individual to use a telescope to describe the behavior of moving objects in space

• Galileo Galilei
• Robert Wilson
• Edwin Hubble
• Johannes Kepler 

Discovered that the orbits of the planets were actually not circular but elliptical

• Edwin Hubble
• Galileo Galilei
• Nicolaus Copernicus
• Johannes Kepler

The expansion of the universe was discovered by _____.

• Johannes Kepler 
• Edwin Hubble
• Isaac Newton
• Robert Wilson

An explosion of a massive star is known as 

• black hole
• supernova
• red giant
• neutron star

About 90 percent of stars on the H-R diagram are ____ stars.

• red giant
• main sequence
• luminosity
• supergiants

The asteroid belt is located  between the orbits of Mars and Jupiter

• True
• False

Large holes on the moon's surface is call

• crater
• corona
• prominences
• solar flare

Our solar is located in the

• Milky Way Galaxy
• Silky Way Galaxy
• Big Bang Galaxy
• Nebula Galaxy