Mercury and Venus

What was unknown about Mercury for a long time?

• Its atmosphere

• Its size

• Its rotation rate

• Its distance from the Sun

Which effect was used to measure Mercury's rotation period?

• Doppler effect

• Greenhouse effect

• Coriolis effect

• Photoelectric effect

What happens to the wavelengths of waves emitted by a source moving toward an observer?

• They become longer

• They become shorter

• They remain the same

• They disappear

Tags

NGSS.HS-PS4-1

What is the effect of a source moving relative to an observer on wave crests?

• Crests spread out

• Crests bunch up

• Crests disappear

• Crests remain unchanged

Tags

NGSS.HS-PS4-1

What is the significance of the Doppler effect in astronomy?

• Measuring temperature

• Determining radial velocity

• Calculating mass

• Estimating age

Tags

NGSS.HS-PS4-3

What is the day/night cycle duration on Mercury?

• 24 hours

• 59 days

• 88 days

• 176 days

What is the primary component of Venus's atmosphere?

• Oxygen

• Nitrogen

• Carbon Dioxide

• Hydrogen

What is the main reason Venus is not habitable?

• Lack of water

• High temperatures and atmospheric pressure

• No magnetic field

• Lack of sunlight

What role does carbon dioxide play in Venus's atmosphere?

• It cools the surface by reflecting sunlight.

• It absorbs infrared radiation, warming the atmosphere.

• It allows ultraviolet radiation to escape.

• It prevents visible light from entering.

Tags

NGSS.HS-ESS2-6

What is the equilibrium temperature of Venus attributed to?

• The balance of infrared rays and visible light.

• The absence of greenhouse gases.

• The presence of oceans.

• The lack of volcanic activity.

Tags

NGSS.HS-ESS2-2