Show:
Characteristics of Stars
Galaxies
The Milky Way
Life Cycle of Stars
Star Groups
100
A massive ball of plasma that emits light and electromagnetic energy.
What is a star?
100
A Galaxy.
What is a large group of stars in empty space?
100
Received it's name from...
What is it's "milky" appearance?
100
Stars are born from this...
What is a nebula?
100
A nebula is the leftover of this...
What is supernova?
200
Five basic characteristics of a star.
What are surface temperature, composition, brightness, size and distance from earth?
200
Elliptical, Spiral and Irregular.
What are the three types of galaxies?
200
We (earth) are located in the _____ Arm.
What is the Orion?
200
Most of a star's life is spent as a...
What is main-sequence star?
200
The plume is a "nursery" for this...
What are protostars?
300
Stars burn because of this.
What is nuclear fusion?
300
No orderly shape, "baby" galaxy and a lot of dust and gases.
What is an irregular galaxy?
300
100,000 light years in diameter and 15,000 light years thick.
What is the size of the Milky Way?
300
This shows the relationship of the star's magnitude to it's temperature.
What is the Hertzsprung-Russell Diagram?
300
Considered to be a "middle age" galaxy.
What is a spiral galaxy?
400
This is the sun's absolute magnitude.
What is 4.8?
400
Thick center of stars with arms that spiral from the center.
What is a spiral galaxy?
400
All the stars we can see with the naked eye are...
What is inside the Milky Way?
400
Our sun is this kind of star.
What is main-sequence?
400
Open and globular are examples of...
What are types of clusters?
500
Star distance is measured in this.
What are light years?
500
Round or flat discs, very little dust and gases.
What is an elliptical galaxy?
500
We live ________ from the center of the galaxy.
What is 25,000 light years?
500
Stars that are in the process of dying.
What are white dwarf and red giant stars?
500
Group of stars that are smaller than a galaxy...
What are star clusters?