Phases of the Moon Quiz

The light being emitted by a moving object is affected by the Doppler effect. Which of the following best describes what happens to the light of an object moving away from the viewer?

• The light waves are stretched, or red shifted

• The light waves are shortened, or blue shifted

• The light waves are unaffected

Which element, which is the most abundant element in the universe, serves as the fuel for stellar fusion while stars are on the main sequence?

• Hydrogen

• Helium

• Iron

• Gravity

Hubble's law states that the universe is expanding at a uniform rate throughout the entire universe. What observation supports this prediction?

• All galaxies are moving away from us.

• Galaxies are increasing in size as stars move apart.

• More distant galaxies are moving away faster than nearby galaxies.

• All galaxies are being pulled together by gravity.

Using the diagram identify what elements are in the sample for spectra A.

• Helium

• Hydrogen

• Sodium

• Lithium

Which galaxy is moving the fastest?

• Galaxy A

• Galaxy B

• Galaxy C

• They are all moving away at the same rate.

According to the best measurements of the Hubble constant thus far, the age of the universe is approximately:

• 13.7 billion years old

• 4.6 billion years old

• 6000 years old

• 2023 years old

What type of deep sky object is in this image?

• Nebula

• Open star cluster

• Globular star cluster

• Galaxy

What type of deep sky object is in the image below?

• Nebula

• Open star cluster

• Globular star cluster

• Galaxy

What type of deep sky object is pictured below?

• Nebula

• Open star cluster

• Globular star cluster

• Galaxy

What method for exoplanet detection did the Kepler space telescope project use?

• Radial Velocity

• Transit

• Direct Imaging

• Gravitational Microlensing

• Astrometry