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Solar System Part 2
Test Description: Part 2 of solar system
Instructions: Answer all questions to get your test result.
1) How do the densities of the jovian and terrestrial planets compare?
A
The closer a planet lies to the Sun, the less its density.
B
All terrestrials are more dense than any of the jovians.
C
More massive jovians all have high densities, compared to the tiny terrestrials.
D
Made from the same solar nebula, they are all similar.
2) Which statement about the motion of the planets is incorrect?
A
Most planets move in the Earth\'s equatorial plane.
B
All revolutions of major planets are counterclockwise.
C
Most orbit above the Sun\'s equator.
D
Most planets rotate in the counterclockwise direction when viewed
3) Which of these is NOT true of all jovian planets?
A
All lie at least five A.U. from the Sun.
B
Four are presently known orbiting our Sun.
C
All are less dense than any of the terrestrial planets.
D
All have their poles approximately perpendicular to the ecliptic.
4) The \
A
Pioneer 11.
B
Voyager 2.
C
Voyager 1 and 2 both.
D
Cassini.
5) Which statement about comets is NOT true?
A
Their densities are higher than those of asteroids.
B
They tend to be made of ice that easily vaporizes near perihelion.
C
They look fuzzy, while asteroids appear as moving points of light.
D
Their orbits tend to be more eccentric than those of asteroids.
6) Our understanding of the solar system has come in a way that can best be described as:
A
slow and steady since the discovery of the telescope by Galileo.
B
steady until the last decade, when the decline in the space program slowed it a great deal.
C
constant since prehistoric times.
D
explosive, with us learning more in the past few decades than in all previous history.
7) Which of these have not successfully landed on Mars and returned data?
A
Viking 2
B
Pathfinder.
C
Viking 1
D
Mars Polar Lander.
8) The best present maps of the surface of Venus come from the:
A
Venera 15 orbiter.
B
Messenger orbiter.
C
Magellan.
D
Venera 14 lander.
9) Which of these was the first to be found telescopically?
A
the four largest moons of Jupiter
B
the planet Uranus
C
Saturn\'s rings
D
the planet Neptune
10) Which of these statements about Mars exploration is FALSE?
A
Rovers Spirit and Opportunity successfully landed on opposite sides of Mars.
B
The Mars Global Surveyor and Odyssey have both found signs of water on Mars.
C
Most of mankind\'s missions to Mars have been successful.
D
ESA\'s Beagle 2 failed, but its Mars Express is sending back good data from orbit.
*select an answer for all questions
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