The Universe Unit Test

What are the three basic types of galaxies?

• spiral, elliptical, and irregular

• closed, elliptical, and open

• spiral, quasar, and pulsar

A pattern of stars seen from Earth is a

• galaxy.

• Milky Way.

• constellation.

By studying starlight, astronomers may learn

• the elements that are in the star.

• the speed at which the star is moving toward or away from Earth.

• All of the above

Tags

NGSS.HS-ESS1-2

NGSS.HS-ESS1-3

The core of a star that remains after a supernova may be any of the following except

• a black hole.

• a red giant.

• a pulsar.

A light-year is a unit of

• time.

• mass.

• distance.

The spectral lines of galaxies that are moving away from us shift toward the ​ ​ (a)   end of the spectrum.​ ​

• red
• yellow
• green

Tags

NGSS.HS-ESS1-2

If two stars have the same diameter and are at the same distance from Earth, the brighter star is

• hotter.

• colder.

• faster.

If two stars have the same temperature and are the same distance from Earth, the brighter star is

• faster.

• larger.

• smaller.

A star like the sun will end its life as a

• pulsar.

• black hole.

• white dwarf.

Tags

NGSS.HS-ESS1-1

What kind of galaxy is the Milky Way galaxy?

• elliptical

• irregular

• spiral

Tags

NGSS.MS-ESS1-2