Of all the terrestrial planets, ________ has the largest daily temperature variation.

A. Earth
B. Mars
C. Mercury
D. Venus


Answer: C

Physics & Space Science

You might also like to view...

Length Contraction: Two stars are at rest relative to each other. A spaceship is moving between these two stars at 0.932c relative to each star. To someone in the ship, the distance between the two stars appears to be 26.4 light-years. What is the distance between the stars in their own rest frame?

A. 72.8 light-years B. 9.57 light-years C. 21.1 light-years D. 55.4 light-years

Physics & Space Science

Valles Marineris is a(n)

A) large canyon on Mars. B) large valley on the Moon. C) huge series of cliffs on Mercury. D) large canyon on Venus. E) extensive plain on Mars.

Physics & Space Science

In order for the cosmic microwave background to show hydrogen absorption lines at the redshift corresponding to the universe's age of 380,000 years, what condition would have been necessary?

A) There would have needed to be even warmer hydrogen clouds (which would contradict the observation of a uniform temperature in all directions). B) There would have needed to be cooler hydrogen clouds (which would contradict the observation of a uniform temperature in all directions). C) There would have needed to be ionized hydrogen (which would contradict the idea that the CMB originates at the time the universe cooled enough for protons and electrons to combine, making neutral atoms).

Physics & Space Science

In the ______________ phase, ionic compounds conduct electricity

Fill in the blank(s) with correct word

Physics & Space Science