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Solar System Part 1
Test Description: Review Games for the Solar System
Instructions: Answer all questions to get your test result.
1) What is the goal of comparative planetology?
A
to find which planets will be most suitable for future colonization
B
to help plan future visits by unmanned probes, orbiters, and rovers
C
to determine the origin and evolution of the solar system
D
find out how our own solar system compares with extrasolar ones
2) Most asteroids are found:
A
orbiting the jovian planets in captured, retrograde orbits.
B
in the orbit of Jupiter, but 60 degrees ahead or behind it.
C
between the Earth and Sun.
D
between the orbits of Mars and Jupiter.
3) The plane in which almost all planets orbit the sun is called the:
A
equator of the solar system.
B
galactic plane.
C
ecliptic.
D
equant.
4) Which statement about density is NOT correct?
A
Density is found by dividing the body's mass by its volume.
B
All planets have densities greater than that of water, one gram/cm3.
C
The materials around us are less dense that those of the Earth as a whole.
D
The denser planets orbit closer to the Sun.
5) Our best close-up views of the jovian moons came from the many passes by:
A
Global Surveyor.
B
New Horizons.
C
Galileo.
D
Voyager 2.
6) Which of the following are terrestrial planets?
A
the Earth, Moon, and Venus
B
Mercury, Venus, Earth, Moon, Mars, and Pluto
C
Mercury, Venus, Earth, and Mars
D
Mercury, Venus, Earth, Moon, Mars, and Ceres
7) A gravitational "sling-shot":
A
allowed the Apollo astronauts to reach the Moon in 1969.
B
changes the speed and direction of a spacecraft nearing a massive planet.
C
explains how the solar system was formed after a near collision with another star.
D
causes comets to crash into planets, such as Jupiter in 1994.
8) The solar nebula concept of planet formation around the protosun dates back to:
A
Descartes leftovers from star formation.
B
Galileo's notes about the moons of Jupiter.
C
the discovery of extrasolar planets in 1995.
D
Chamberlain's collision between the Sun and a passing star in 1945.
9) Which of the following is NOT a way that terrestrial and jovian planets differ?
A
Jovians are less dense than any of the terrestrials.
B
Jovian orbits are more eccentric than terrestrials, and farther off the ecliptic.
C
Jovians have rings, terrestrials don't.
D
Spinning rapidly, jovians are more oblate than solid terrestrials.
10) How do the densities of the jovian and terrestrial planets compare?
A
More massive jovians all have high densities, compared to the tiny terrestrials.
B
The closer a planet lies to the Sun, the less its density.
C
All terrestrials are more dense than any of the jovians.
D
Made from the same solar nebula, they are all similar.
*select an answer for all questions
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