Star Life Cycle
Space Components
Hertzsprung-Russell
Galaxies
Light Year and Theories
100
A star follows two paths in its life depending on its what?
On its size
100
Also known as a "shooting star"
a Meteor
100
What is the total amount of light, or energy, released by the star?
Luminosity
100
The Milky Way is this type of galaxy.
Spiral Galaxy
100
The distance light can travel in One year.
Light year
200
The second stage of the star life cycle is the __________
Protostar
200
What are comets composed of?
Dust and rock mixed with frozen water.
200
A measure of how bright a star appears to be from Earth is?
Apparent Magnitude
200
What type of galaxies are oddly shaped?
Irregular Galaxies
200
What is the idea that the Universe began from a small point billions of years ago, and it's still expanding?
The Big Bang Theory
300
What size star is our Sun?
Medium
300
What are located in a belt between the orbits of Mars and Jupiter?
Asteroids
300
On the HR graph which way does temperature increase?
Left
300
What type of galaxy has no distinct structure?
Elliptical Galaxy
300
What is distance light can travel in a unit of time?
Light Speed
400
After a Red Supergiant, what is the next stage in the star life cycle?
Supernova
400
Where would you find a Meteoroid?
Still in Space
400
A measure of how bright a star really is?
Absolute Magnitude
400
What is a Galaxy?
Stars held together by gravity
400
How many light minutes is the Sun from Earth?
8 light minutes
500
Our Sun is in what stage?
Main Sequence
500
What is it called right when the space rock hits Earth?
Meteorite
500
A measurement of brightness is also called what?
Magnitude
500
There are two types of Spiral Galaxies what are they?
Bar and center bulge
500
How many km are equal to one light year?
9.5 Trillion
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