Universe/Stars

What color star is hotter?

• Blue

• Yellow

• Red

• Orange

Scientists measure the distance from the Earth to the sun in what unit?

• light-year

• meters

• feet

• astronomical unit

Our solar system is located in which galaxy?

• Andromeda

• Milky Way

• Proxima X

• Triangulum

True or False: Solar systems are larger than galaxies.

• True

• False

What are 90% of stars classified as on the H-R diagram?

• Supergiants

• White Dwarfs

• Main Sequence

• Giants

On the H-R diagram, it compares a star's brightness to its

• Temperature

• Composition

• Age

True or False: A stars absolute brightness increases as its temperature increases.

• True

• False

In relative size, if the sun is a basketball the Earth is the size of what?

• a baseball

• a beach ball

• a pea

• a golf ball

Tags

NGSS.MS-ESS1-3

What is the name for space and everything in it?

• galaxy

• universe

• solar system

• planet

What is spherical, orbits the sun and has cleared its orbit?

• a planet

• a star

• an asteroid

• a comet

Tags

NGSS.HS-ESS1-4