Astronomy pt 1.

What theory proposes how stars and solar systems are formed?

• Gravity

• Nebular Theory

• Solar Theory

• Creation Theory

Our galaxy is called the

• Earth Nebula
• The Hubble Galaxy
• The Milky Way
• The Snickers

Place these objects in order from smallest to largest.

• Planets, solar system, universe, galaxy
• Solar system, planets, galaxy, universe
• Planets, solar system, galaxy, universe
• Galaxy, solar system, planets, universe

All existing matter and space considered as a whole is called what?

• Galaxy
• Planet
• Universe
• Milky Way

A large cloud of gas and dust in space 

• Universe 
• Galaxy 
• Protostar
• Nebula

When light or other electromagnetic radiation from an object is decreased in wavelength, which implies light source moving towards from an observer.

• Blue Shift

• Red Shift

• Purple Shift

• Solar Shift

Which model of the solar system has the sun in the center with all of the planets orbiting it?

• heliocentric

• geocentric

Which model of the solar system has the earth in the center with all of the planets orbiting it?

• heliocentric

• geocentric

When light or other electromagnetic radiation from an object is decreased in wavelength, which implies light source moving away from an observer.

• Blue Shift

• Red Shift

• Purple Shift

• Solar Shift

Most scientists believe the Big Bang Theory explains which of the following questions?

• How our planets and moons formed

• How our universe began

• How the sun turns hydrogen into helium

• How fast light travels through space