Show:
Definition
Star Life Cycle
HR Diagram 1
HR Diagram 2
Universe
100
A giant ball of burning gas
A star
100
Where do the birth of stars happen?
Stellar Nebula
100
Are larger stars found on the top or bottom?
Top
100
Are smaller stars found on the top or bottom
bottom
100

How did the universe start, according to the most accepted theory.

Big Bang

200
a large spherical body that orbits a star
a planet
200
What comes after a red giant
planetary nebula
200
Are hotter temperatures on the right side or left side?
Left
200
Are brighter stars found on the top or bottom?
Top
200
What's outside the Universe?
Nothing
300
A diagram that shows the relationship between a stars temperature and absolute magnitude
HR Diagram
300
What's the final stage of a main sequence star?
White dwarf or black dwarf
300
Where are a majority of the stars considered?
Main Sequence Stars
300
What type of stars are really hot, but not really bright?
White Dwarfs
300
Is the universe currently expanding or contracting?
Expanding
400
A massive collection of stars, dust, and gas held together by gravity
Galaxy
400
After a massive star explodes from a supernova, what two things can occur?
Black hole or Neutron Star
400
What color is the coolest?
Red
400
What type of star and color is the sun?
Yellow main sequence
400
True or False.  The sun is the center of our universe?
False, its the center of our solar system
500
Give me the definition of a light year
The distance light can travel in a year
500
What is a stellar nebula mostly composed of?
Dust and Gas
500
Describe what luminosity means
Brightness
500
Where would stars that could create a black holes be located?
blue giants or red supergiants
500
About how many galaxies are estimated to exist in our universe?`
Hundreds of billions