Astronomy Practice

What was Galileo's contribution to the telescope?

• He invented it
• He patented it
• He discovered it
• He promoted it

The bending of light through a lens is called _____

• reflection
• refraction
• diffraction
• absorption

Tags

NGSS.MS-PS4-2

Telescopes that use mirrors are called _____

• refractors
• reflectors
• catadioptric
• resolving

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

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

What does the Red-shift tell us about the universe

• the universe is expanding
• the universe is contracting
• the big bang is false
• nothing

Tags

NGSS.HS-ESS1-2

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

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

Tags

NGSS.HS-PS4-1

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

A light year is related to ...

• Time
• Energy
• Distance
• Mass

Tags

NGSS.MS-ESS1-3