8R Deep Space Review

Which statement BEST summarizes The Big Bang Theory?

• whole universe began as a black hole and rapidly expanded, but is now collapsing
• whole universe began as a cool dense point and rapidly collasped, but is now expanding
• whole universe began as a hot dense point, rapidly expanded, and continues to expand
• the whole universe began as a hot dense point and rapidly expanded, but is now collapsing

Tags

NGSS.HS-ESS1-2

The force of gravity depends on

• Mass and Weight

• Mass and Distance

• Speed and Distance

• Weight and Speed

Tags

NGSS.HS-PS2-4

How old do scientists think the Universe is?

• 13.8 billion years old
• 4.5 billion years old
• 24,000 years old
• 5 years old

Tags

NGSS.HS-ESS1-2

In ____shift, the galaxies appear _____ in color b/c they are moving away from us.

• blue; red
• red; red
• red; blue
• blue; blue

Tags

NGSS.HS-ESS1-2

NGSS.HS-PS4-3

If a star is being observed from Earth and it's light has shifted towards the blue 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-ESS1-2

A light year is related to ...

• Time
• Energy
• Distance
• Mass

Tags

NGSS.MS-ESS1-3

The vast majority of galaxies in our universe are moving away from us.  We know this because we observe __________ in the galaxies absorption spectra.

• Redshift
• Blueshift
• Turbulance
• Superposition

Tags

NGSS.HS-ESS1-2

When redshift occurs, the perceived WAVELENGTH of the wave would...

• Increase
• Decrease
• Stay the same
• Make squirrell sounds

Tags

NGSS.HS-ESS1-2

NGSS.HS-PS4-1

Galaxies that are redshifted are:

• actually blue.
• really far away.
• invisible.
• moving away from us.

Tags

NGSS.HS-ESS1-2

The light of Proxima Centaury takes 4.3 years to reach Earth.  What does it mean?

• The star is 4.3  miles from Earth
• The star is 4.3 light years from the  Earth
• The star is 43.000.0000.000. light years fromm the  Earth
• The  star is  4.3 km  from the Earth