AST 220 Exam Questions with Complete
Solutions
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
Uranus was discovered less than 250 years ago
, At which planet can the pole remain in darkness for 42 years, then have 42 years of constant
daylight? Uranus
In terms of axial tilt, which of the jovian planets shows us the largest inclination? Uranus
If you could find a bathtub big enough for Saturn, the planet would: Float
The planet whose pole was facing the Sun when Voyager 2 approached in 1986 was
Uranus
Jupiter and the other jovian planets are noticeably oblate because they are fluid bodies that
are spinning rapidly
Cometary impacts with Jupiter have been observed from Earth at least twice.
The reason the jovian planets lost very little of their original atmosphere is due to their
large mass
Compared to Saturn, Jupiter is about three times more massive and denser.
Studying the magnetospheres of the jovian planets has allowed us to measure their interior
rotation rates
Solutions
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
Uranus was discovered less than 250 years ago
, At which planet can the pole remain in darkness for 42 years, then have 42 years of constant
daylight? Uranus
In terms of axial tilt, which of the jovian planets shows us the largest inclination? Uranus
If you could find a bathtub big enough for Saturn, the planet would: Float
The planet whose pole was facing the Sun when Voyager 2 approached in 1986 was
Uranus
Jupiter and the other jovian planets are noticeably oblate because they are fluid bodies that
are spinning rapidly
Cometary impacts with Jupiter have been observed from Earth at least twice.
The reason the jovian planets lost very little of their original atmosphere is due to their
large mass
Compared to Saturn, Jupiter is about three times more massive and denser.
Studying the magnetospheres of the jovian planets has allowed us to measure their interior
rotation rates
