STARS
GALAXIES
HR DIAGRAM
HR DIAGRAM 2
200

This is made up of hydrogen and helium.

What is a star?

200
A galaxy is a large group of stars held together by this

What is a gravity? 

200

A chart that groups a stars brightness and temperature.

What is the HR Diagram?

200
Color of the hottest stars

What is Blue?

400

Name one way that stars are classified

What is color, size or brightness?

400

Galaxy that our sun is part of

What is the Milky Way Galaxy?

400

This is the only star in our solar system.

What is the Sun? 

400

The sun is in this star category

What is a main sequence?

600

The process of two atoms like Hydrogen combining to form a new atom of Helium is called this

What is a nuclear fusion?

600

The Milky Way is this type of galaxy

What is a spiral galaxy?

600

Our sun appears brightest to us even though it is not the brightest star because of this

What is distance

600

The color of the coolest stars

What is a Red?

800

90% of stars are in this part of the star life cycle

What is a main sequence?

800

It is within the center of the galaxy and light cannot escape it.

What is a black hole?

800
The X axis on the HR diagram gives this property

What is the temperature?

800

The brightest and biggest stars are in this category

What is a giant (red giant or red super giant)?

1000

The place where new stars form

What is a stellar nebula?

1000

Galaxy that has mostly older stars

What is the Big Bang Theory? 

1000

The Y axis on the HR diagram provides this property.

What is brightness?

1000

The hottest and dimmest stars are in this category

What is a white dwarf?

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