HR Diagram

What is the hottest color of a star

• Red

• Orange

• White

• Blue

A large cloud of gas and dust in interstellar space; the predecessor to stars...

• Constellation
• Black hole
• Nebula
• Galaxy

As a whole, Giants are considered hotter than White Dwarfs.

• True
• False

Which star is the coldest?

• Yellow Star
• Red Star
• Orange Star
• Blue Star

Which category is our Sun located in?

• White Dwarfs
• Supergiants
• Main Sequence
• Giants

The distance that light travels in one year...

• Light year
• Quantumyear
• Stellar-year
• 1 million kilometers

Which star has the lowest temperature?

• A
• B
• C
• D

What is magnitude?

• degree of compactness of a star.

• degree of temperature of a star.

• the age of a star.

• degree of brightness of a star.

Knowing the color of a star also tells us its __________

• age

• location

• temperature

• name

A collection of stars, dust, and gas bound together by gravity is...

• Universe
• Solar System
• Planet
• Galaxy