Stars and Galaxies

What word best describes our sun?

• Main Sequence

• Supergiant

• Dwarf

• Red Giant

What color of star is the hottest?

• Blue
• Red
• Yellow
• Orange

What color of star is the coolest?

• Red
• Yellow
• Blue
• White

What is the name of the gas/dust clouds that form stars?

• Nebulas
• Protostars 
• Supernova
• Neutron Star

What is the name of the explosion at the death of a massive star?

• Supergiant
• Supernova
• Black Hole
• Nebula

What is the main element in a stars composition? 

• Hydrogen 
• Helium 
• Lithium 
• Heavy Elements 

The color of the star tells us its 

• composition
• Temperature
• Luminosity 
• Mass

Most of the sun's energy is a result of

• fission

• fusion

• atomic predictiblity quotients

• main sequence patterns

what elements make up most of the sun's mass?

• carbon and oxygen

• carbon and hydrogen

• hydrogen and helium

• iron and helium

Most stars are found in what category on the HR diagram?

• main sequence

• white dwarfs

• neutron stars

• red giants