Planets Of The Solar System Question Preview (ID: 56735)

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Which force was mostly responsible for the contraction of the gas cloud?

a) friction

b) gravity

c) magnetism

d) inertia

Which statement correctly compares the size, composition, and density of Neptune to Earth?

a) Neptune is smaller more gaseous, and less dense.

b) Neptune is larger more gaseous, and less dense.

c) Neptune is smaller, more solid, and more dense

d) Neptune is larger, more solid, and more dense

Which is the largest planet in our solar system?

a) Erath

b) Uranus

c) Saturn

d) Jupiter

What is the approximate distance between the Sun and Wild 2 when this comet is closest to the Sun?

a) 150 million kilometers

b) 228 million kilometers

c) 778 million kilometers

d) 820 million kilometers

Which two characteristics do all Jovian planets have in common?

a) small diameters and low densities

b) small diameters and high densities

c) large diameters and low densities

d) large diameters and high densities

It is inferred that during the early Archean Era the atmosphere of Earth contained water vapor, carbon dioxide, nitrogen, and other gases in small amounts. These gases probably came from

a) precipitation of groundwater

b) volcanic eruptions

c) evaporation of Paleozoic oceans

d) convection currents in the mantle

When Hermes is located at position A and Earth is in the position shown in the diagram, the asteroid can be viewed from Earth at each of the following times except

a) sunrise

b) sunset

c) 12 noon

d) 12 midnight

According to the diagram, as Hermes and the planets revolve around the Sun, Hermes appears to be a threat to collide with

a) Earth, only

b) Earth and Mars, only

c) Venus, Earth, and Mars, only

d) Mercury, Venus, Earth, and Mars

Why is evidence of asteroids striking Earth so difficult to find?

a) Asteroids are made mostly of frozen water and gases and are vaporized on impact.

b) Asteroids are not large enough to leave impact craters.

c) Asteroids do not travel fast enough to create impact craters.

d) Weathering, erosion, and deposition on Earth have destroyed or buried most impact craters.

How does the period of revolution of Hermes compare to the period of revolution of the planets shown in the diagram?

a) Hermes has a longer period of revolution than Mercury, but a shorter period of revolution than Venus, Earth, and Mars

b) Hermes has a shorter period of revolution than Mercury, but a longer period of revolution than Venus, Earth, and Mars.

c) Hermes has a longer period of revolution than all of the planets shown.

d) Hermes has a shorter period of revolution than all of the planets shown.

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