Universe Review

What type of galaxy is Earth in?
TEK 8.8A

• elliptical

• irregular

• spiral 

• square

If a star is being observed from Earth and it's light has shifted towards the red side of the electromagnetic spectrum it would be...

• Moving towards the Earth

• Moving away from the Earth

• This is a trick question that cannot be answered

• It isn't a star, it is a very large blueberry.

Tags

NGSS.HS-PS4-1

How many star that are visible in the sky are closer to Earth than the Sun?

• only one

• none of them

• all of them

• about half

With the use of the Hubble Telescope, scientists recently discovered a giant runaway star. It is 90 times bigger than the sun and is not very hot and red in color. It is also a very bright star, how come from Earth it does not seem as bright as the sun?

• the sun is different color than the runaway star

• the sun is older than the runaway star

• the sun is closer to earth than the runaway star

• the sun is made of different elements than the runaway star

Our sun is in what stage?

• planetary nebula

• protostar

• main sequence

• red giant

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

Redshift means a wave's length is getting:

• shorter

• longer

• staying the same

Tags

NGSS.HS-ESS1-2

NGSS.HS-PS4-1

NGSS.HS-PS4-3

A nebula is a cloud of

• gas and dust

• star and planets

• water

• gravity

Accretion happens in a nebula when young solar systems are forming. What is accretion?

• planets form from magnetism

• planets form from asteroids

• planets formed from volcanic eruptions

• planets formed from debris that sticks together (accretion)

Which of these supports universal expansion (the Big Bang)?

• redshift and star composition (hydrogen and helium)

• inertia

Tags

NGSS.HS-ESS1-2

In the photo, the redshift waves are doing what?

• wavelength increased, and frequency decreased

• wavelength decreased, and frequency increased

• pitch increases

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-3