Quiz 19 – Flashcard
Unlock all answers in this set
Unlock answersquestion
Channels on the surface of Mars may have been formed by:
answer
running water
question
These figures show the eight planets of our Solar System. Drag each planet into its proper position in the Solar System from top, closest to the Sun, to bottom, farthest from the Sun.
answer
photo
question
What are the dark areas of the Moon interpreted to be?
answer
large areas covered by basalt
question
What did the Cassini spacecraft and its Huygens probe discover on the surface of Titan, the largest of Saturn's moons?
answer
networks of drainages apparently carved by liquids
question
Which part of the Moon is the oldest and why?
answer
the light-colored lunar highlands because they contain a higher density of craters per area
question
What largely determines the level of volcanic and tectonic activity on the Galilean moons?
answer
proximity to Jupiter and its extreme tidal forces
question
Which of the following is true about Pluto?
answer
all of these
question
What causes the phases of the Moon?
answer
the relative positions of the Sun, Moon, and Earth cause us to see different amounts of the Moon's lighted side
question
Which of the following are unusual about Uranus?
answer
its axis of rotation, orientation of rings, and orbits of its moons are perpendicular to those of every other planet in the solar system
question
Whether it is one of the inner terrestrial planets, or outer gas giants, the location of a planet relative to the Sun has a lot to do with its:
answer
composition
question
Which of the four Galilean moons is the most volcanically active object in the solar system, erupting sulfur-rich lava?
answer
lo
question
The visible surface of Uranus and Neptune are bluish-green because they consist of:
answer
methane and other gases
question
The infrared portion of the electromagnetic spectrum helps planetary scientists measure surface:
answer
composition and temperature
question
Which of the following are present on Earth but not on any other planet?
answer
none of these
question
The density of craters on a planet's surface can help planetary scientists estimate its:
answer
age
question
These figures show the eight planets of our solar system, not arranged in any order. For each planet, drag the appropriate description to that planet. Move your cursor over each drop box to receive hints about that planet.
answer
photo
question
What does this curved feature, which contains a point bar, indicate about past events on Mars?
answer
the surface once had running water that eroded and deposited sediment
question
Smaller planets like Mercury that have large surface-area-to-volume ratios cool relatively:
answer
quickly
question
What is the main control on whether a planet or moon has active tectonics and volcanism?
answer
the size of an object
question
Mercury's surface is heavily cratered due to:
answer
all of these
question
What was the main technique used to study the solid surface of Venus?
answer
radar images
question
Which of the following is NOT one of the inner terrestrial planets?
answer
Saturn
question
The Moon has been volcanically and tectonically inactive for more than:
answer
2 billion years
question
These craters on the Moon formed when:
answer
meteoroids and other objects impacted on the surface
question
During its early stages of formation, a catastrophic collision with Earth by a large body is thought to have ripped part of the Earth away to form:
answer
the Moon
question
What is the current theory for the formation of our solar system?
answer
the Sun and planets condensed from a cloud of gas and dust
question
What is the dominant character of the four outer planets?
answer
they are large and gas rich
question
Why do comets have a tail?
answer
solar wind strips off gas and dust, forming a tail pointing away from the Sun
question
Which of the following is the major difference between the inner planets as a group and the outer planets as a group?
answer
composition
question
Dark mare on the Moon is formed by?
answer
basalt flows filled previously existing impact craters
