Chapter 8 Review!

How many categories of galaxies are there?

• 2
• 3
• 4
• 5

'What is higher for closer stars?

• absolute magnitude
• blue shift
• red shift
• parallax

How is the Sun like Earth?

• has a solid surface
• it is a ball of glowing gas
• has an interior and an atmosphere
• go see Rogue One - coming soon to a theater near you!

What is a measure of the amount of a star's light that is received on Earth?

• absolute magnitude
• apparent magnitude
• parallax
• brightness

Which part of the Sun sends out a stream of electrically charged particles called solar winds?

• core
• corona
• chromosphere
• photosphere

The mass of the Sun takes up ______ of our solar system.

• 99.8%
• 95%
• 90%
• 75%

The hottest stars are ________ in color.

• Red
• Blue
• White
• Yellow

The coolest stars are ________ in color.

• Red
• Blue
• White
• Yellow

The Sun is about______% hydrogen.

• 50
• 75
• 90
• 66

A large group of stars, gas, and dust held together by gravity is a ______________.

• Local Group
• Nebula
• Galaxy
• Universe