ESH U9: STARS Test Review

Science is the study of the .......

• natural world

• supernatural world

• life in the universe

• EVERYTHING.

Stars are made of....

What is the sun's solar radius?

• 1

• 10

• 100

• 1000000000000000000000000000000000000000

• 1000

Luminosity most likely means

• brightness

• color

• temperature

• size

Stars are powered by....

• nuclear fusion

• geothermal processes

• biogeochemical processes

• radon particles fizzling

Look at the HR diagram. Based on this diagram, which color stars are the HOTTEST?

• Blue

• red

• White

• Yellow

• Chartreuse

T/F: The larger a star, the hotter it is.

• True

• False

• cute

Why are UV rays, X rays, and gamma rays so deadly? Because they have high _____ (2 possible answers)

The milky way is a galaxy. Galaxies are made of...

• one star and billions of planets

• billions of stars and billions of planets

• billions of stars and one planet

• candy

• one star, 7 planets, and billions of asteroids

Stars are "born" when this celestial object collapses