Exam 17: Mercury, Venus and Mars

The size of the volcanoes on Mars indicate that Mars has a(n) ____________________ crust than Earth.

Venus is the planet closest to Earth in mass.

Which of the terrestrial planets has the most difficult time retaining an atmosphere?

Flow channels on Venus suggest it was once rich in water.

The greenhouse effect keeps Venus hot because

Mercury's smooth plains are probably the oldest parts of the crust.

The size of Olympus Mons suggests that the crust of Mars is very thick.

The atmosphere on Mars is so thin that it cannot support clouds and is not at all visible in photographs taken from the surface.

Besides Earth, which of the terrestrial planets and/or satellites of terrestrial planets show(s) evidence for the possible existence of liquid water flowing on its surface in the past?

What evidence do we have that Mars once had a thicker atmosphere?

Valles Marineris is a long valley on Mars believed to resemble the rift valleys of eastern Africa.

The surface of Venus is hotter than the surface of Mercury.

The theory that Mercury shrank slightly when it was young has been proposed to explain

The geology of Venus appears to be dominated by

Coronae on Venus are believed to be

The atmosphere of Mars primarily consists of ____________________.

The terrestrial planet with the oldest surface is ____________________.

The atmosphere of ____________________ contains acid compounds including sulfuric and hydrochloric acid.

As seen from Earth and the Hubble Space Telescope, Mars shows

____________________ volcanoes have shallow slopes and are associated with hot spots. These types of volcanoes have been seen on the surface of Venus.