With daytime temperatures that can reach 430°C,why is nighttime on Mercury so cold?
A)Because the year is so short,there isn't enough time for the heat to build up in the equatorial regions.
B)With very little atmosphere,heat is quickly lost back into space.
C)The weak gravitational field doesn't retain the daytime's heat.
D)The solar winds quickly dissipate all heat on the planet's dark side.

Question

Quizplus · Accepted Answer

With very little atmosphere on Mercury, heat is quickly lost back into space, causing nighttime temperatures to plummet despite the extreme heat during the day.

With Daytime Temperatures That Can Reach 430°C,why Is Nighttime on Mercury