Galaxies: General
Types of Galaxies
Stars: General
Life Cycle of Stars
100
This is a unit of measure is used for distances in a galaxy
What is a light year?
100
There are ____ types of galaxies
4
100
Stars are composed of these two substances
What is gas and dust?
100
There are how many stages in an average stars life cycle?
3
200
Galaxies are composed of these two substances
What is gas and dust?
200
This type of galaxy has a central nucleus and curved arms
What is a spiral galaxy?
200
The chart used to illustrate the stages of a stars life is called this
What is an HR diagram?
200
What is the first stage of a stars life?
What is main sequence?
300
These aged stars are usually found in the arms of a spiral or barred spiral galaxy
What are new stars?
300
This type of galaxy is mainly composed of old stars and contains little gas or dust.
What is an elliptical galaxy?
300
This color stars are extremely bright but cooler than most stars
What is red?
300
The name of the stage in which a star is at its hottest is this
What is white dwarf
400
This galaxy is on a collision course with ours
What is the Andromeda galaxy?
400
This type of galaxy is usually formed DURING a galactic collision
What is a barred spiral galaxy?
400
These three things can be the final stage of a stars life
What is a supernova, a black hole, or a white dwarf?
400
This kind of star's final life stage is a large explosion, called a supernova
What is a Red Supergiant?
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