AST 220 Exam Questions with Complete
Solutions
Which statement is true of Venus' surface? There are two continent sized uplands.
Valles Marineris is the most striking example of a(n) rift valley
The deepest depression found on the surface of Mars is the Hellas basin of Mars
We have not yet found meteoroids and meteorites derived from Venus
The name of the NASA mission(s) that landed on Mars in 1976 was Viking I and II.
What is true of Mars? Iron oxide on the surface is responsible for its reddish color
That the Tharsis region on Mars has so few craters suggests it is among the youngest
regions on the planet.
The largest difference between Mars' northern and southern hemispheres is that the
southern appears older, with more impact craters.
The presence of a Mercurian magnetic field surprised the planetary scientists on the Mariner 10
, team because the dynamo theory predicted that Mercury was spinning too slowly for one.
Much of the water on Mars is thought to be in a layer of permafrost just below the surface.
Of all the planets known in antiquity, ________ is the hardest to observe visually.
Mercury
Our most detailed knowledge of Uranus and Neptune comes from: spacecraft exploration.
The spacecraft Cassini went into orbit around Saturn
The Galileo mission put a spacecraft into orbit around Jupiter. Which statement is true?
Intense magnetic fields were discovered in the asteroid belt.
(?)
Which three played a role in the finding of Neptune? Adams, Leverrier, and Galle
Small deviations in a planet's orbital motion imply the nearby presence of a massive body.
Adams and Leverrier both predicted the position of Neptune, based on its effects on
Uranus
Solutions
Which statement is true of Venus' surface? There are two continent sized uplands.
Valles Marineris is the most striking example of a(n) rift valley
The deepest depression found on the surface of Mars is the Hellas basin of Mars
We have not yet found meteoroids and meteorites derived from Venus
The name of the NASA mission(s) that landed on Mars in 1976 was Viking I and II.
What is true of Mars? Iron oxide on the surface is responsible for its reddish color
That the Tharsis region on Mars has so few craters suggests it is among the youngest
regions on the planet.
The largest difference between Mars' northern and southern hemispheres is that the
southern appears older, with more impact craters.
The presence of a Mercurian magnetic field surprised the planetary scientists on the Mariner 10
, team because the dynamo theory predicted that Mercury was spinning too slowly for one.
Much of the water on Mars is thought to be in a layer of permafrost just below the surface.
Of all the planets known in antiquity, ________ is the hardest to observe visually.
Mercury
Our most detailed knowledge of Uranus and Neptune comes from: spacecraft exploration.
The spacecraft Cassini went into orbit around Saturn
The Galileo mission put a spacecraft into orbit around Jupiter. Which statement is true?
Intense magnetic fields were discovered in the asteroid belt.
(?)
Which three played a role in the finding of Neptune? Adams, Leverrier, and Galle
Small deviations in a planet's orbital motion imply the nearby presence of a massive body.
Adams and Leverrier both predicted the position of Neptune, based on its effects on
Uranus
