Exam 28: The Solar System

A) It has an ocean of liquid water, which is warmed by tidal force interaction with Jupiter, and may house underwater volcanic thermal vents.
B) It has an ocean of liquid water, and there is increasing evidence of phytoplankton activity, particularly as shown by ongoing spectral analysis.
C) It has a hydrogen ocean and moderate levels of oxygen in its atmosphere, which is gradually producing water through frequent lighting strikes.
D) Actually, Io is the most likely place to find life, due to its high level of volcanic activity.

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Eclipses occur with alignment of the Sun...

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A) Sun.
B) Moon.
C) Earth.

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A) the existence of heavy elements in its composition.
B) its relatively slow rate of spin.
C) its high temperature as revealed by its color.
D) its position in the galaxy.
E) its very existence in spite of its high burning rate.

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A) the inner core
B) the photosphere
C) the chronosphere
D) the corona

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A) because of radiation pressure
B) because the inner planets cause the ice and other volatile materials to be pulled towards their orbits
C) because of the comet's interaction with dark matter
D) because when they move away from the Sun they begin to lose inertia

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A) Earth's atmosphere acts as a lens that refracts light into the shadowed region.
B) There is a minor component of phosphorescent minerals distributed fairly evenly on the lunar surface.
C) The Moon's thin atmosphere acts as a mirror, reflecting light being cast from neighboring stars.
D) Background microwave radiation becomes excited during the lunar eclipse, and shifts towards visual light, which then slightly illuminates the eclipsed moon.

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A) daily spin.
B) atmosphere.
C) relatively cool regions.
D) plant life.
E) terrestrial radiation.

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A) gravitation.
B) nuclear fission.
C) mass decrease.
D) its relatively slow spin.
E) reduced gaseous pressures.

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A) a collision with a large body early in the solar system's evolution
B) distorted magnetic poles due to its large molten iron core
C) fluid wave dynamics due to its large molten core
D) Neptune's effect on Uranus' gravitational field

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A) because that's just the way it happened.
B) Being the oldest planetary core, it had more time than the other planets to accumulate enough gas around itself before solar winds blew interplanetary dust away.
C) due to a massive collision with another protoplanet
D) Because of its distance from the Sun, the gravitational attraction between it and the Sun is perfectly balanced so as to create a density that results in the largest size of any planet.

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A) disperse.
B) flatten.
C) turn into a sphere.
D) condense.

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A) in the Sun.
B) in its planets.
C) about equally divided in the Sun and its planets.

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A) Jupiter
B) Earth
C) Mars
D) Io

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A) between Mars and Jupiter
B) between Earth and Mars
C) between Earth and Venus
D) between Jupiter and Neptune

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A) 300 meters
B) 500 meters
C) 300 km
D) 500 km

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A) It chemically combined with CO₂ to form CO₄H.
B) Ultraviolet rays split the hydrogen from the oxygen components, and the hydrogen escaped into space.
C) It all evaporated into space due to the intense daytime heat of 470°C.
D) Scientists are still trying to determine this.

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A) 24 hours also.
B) half month.
C) month.
D) year.
E) none of these

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