All Things Stars, Galaxies, And Space

What type of galaxy is this?

• Spiral
• Elliptical
• Irregular 
• Irrational

Which stars have the lowest surface temperature?

• Yellow Stars

• Red Stars

• Orange Stars

• Blue Stars

There are four groups of stars on the HR Diagram. About 90% of all stars are in the ________.

• Supergiants

• Giants

• White dwarfs

• Main sequence

Analyze this HR Diagram. Which group of stars is considered to have a lower than average luminosity as well as a higher than average temperature?

• Giants

• Main Sequence

• White Dwarfs

• Supergiants

Our sun is located near the edge of a ______ galaxy, named the _______.

• Spiral shaped; Milky Way

• Spiral shaped; Solar System

• Elliptical shaped; Milky Way

• Elliptical shaped; Solar System

A collection of dust and gases where stars can form is called a:

• Galaxy
• Nebula
• Black Hole
• Supernova

Compared to the rest of the stars, our sun is considered...

• Extremely Large and Cold
• Small with a medium temperature
• Medium size with medium temperature

In the diagram given, what happens as we move to the left?

• Stars Get Larger
• Stars get Colder
• Stars get Hotter
• Stars get Brighter

According to this HR Diagram which description below best fits the star Aldeberan?

• An orange supergiant star that is dimmer than the sun.

• A red giant star that is brighter than the sun.

• An orange giant star that is brighter than the sun.

• A blue supergiant star that is hotter than the sun.

What is an exploding, high mass star called?

• black hole

• Milky Way

• supernova

• solar system