stars test

The average distance between the Earth and Sun is known as ___________.

• a light year
• a parsec
• an astronomical unit
• a light minute

The distance that light travels in one year is known as ___________.

• a light year
• a parsec
• an astronomical unit
• a light minute

Stars are formed from big clouds of gas and dust is known as a ______. 

• clouds grande
• BCOG's
• neutron clouds
• nebulae

A star is born when ________________ begins to happen.

• nuclear fusion
• nuclear abrasion
• crying
• nuclear fission

This indicates the universe is expanding and stars are moving away from us

• Blue Shift
• Red Shift
• Absolute magnitude 
• Apparent motion

The big/little dipper can always be seen throughout the year because they are....

• circumpolar stars 
• Stuck there
• blue shifting towards us
• parallax

What triggers a main-sequence star becoming a red giant? 

• The star explodes
• Iron starts to form
• Runs out of helium
• Runs out of hydrogen 

Where do we live in the universe? 

• Polaris 
• Milky Way Planet
• Milky Way Galaxy 
• Milky Way Constellation 

The HR Diagram shows: 

• Luminosity & Motion
• Absolute Motion & Temperature 
• Temperature & Apparent Motion
• Luminosity & Temperature

What is the color of stars with the highest surface temperature? 

• Red 
• Yellow
• Blue
• White