Astronomy

The stable period of a star’s life cycle is called... 

• The birth of a star
• Nebula 
• Neutron star
• Main Sequence 

Hotter stars appear to be what color? 

• Red
• Blue
• Yellow
• Green

What determines the color of a star? 

• It's size
• It's temperature
• It's composition
• They are all the same color 

What fuel do stars use? 

• Oxygen
• Hydrogen
• Carbon
• Iron

A relatively small, dense star at the end of its life cycle, which generates little or no energy and has contracted to its densest state.
What stage in the life cycle does this describe? 

• Black Hole
• Nebula
• White Dwarf
• Red Giant

This is an image of the formation of a star, also known as a .... 

• Main Sequence
• Planetary Nebula
• Supernova
• Stellar Nebula

Big Bang theory says that

• the early universe was small, hot, and dense
• there is no God.
• something came from nothing
• the universe's age can't be known

Galaxies that are moving away from us look more _____ than expected.

• white
• blue
• yellow
• red

As galaxies move away from us, the light waves we see coming from them are

• scrunched together.
• louder.
• not affected in any way.
• stretched out.

The four terrestrial planets are known for their _________

• hot temps
• deep atmospheres
• rocky surfaces
• large size