Our Earth is about four times larger than the Moon in diameter.
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The average rate of erosion on the Moon is far less than on…
The average rate of erosion on the Moon is far less than on Earth because
The presence of a Mercurian magnetic field surprised the pla…
The presence of a Mercurian magnetic field surprised the planetary scientists on the Mariner 10 team because
Mercury has an unusually large core.
Mercury has an unusually large core.
__________ are great wrinkle marks on Mercury’s crust, due t…
__________ are great wrinkle marks on Mercury’s crust, due to its core contracting.
One source of the energy for volcanism and plate tectonics i…
One source of the energy for volcanism and plate tectonics is radioactivity in the Earth’s interior.
Unlike our Moon and Mars, all the impact craters found on Ve…
Unlike our Moon and Mars, all the impact craters found on Venus are _________ in size.
The most important greenhouse effect gas in our atmosphere i…
The most important greenhouse effect gas in our atmosphere is __________ .
Jupiter is largest and brightest in our skies when seen at _…
Jupiter is largest and brightest in our skies when seen at __________ .
Jupiter’s magnetic field is much stronger than Earth’s, and…
Jupiter’s magnetic field is much stronger than Earth’s, and has a magnetic tail that extends beyond the orbit of Saturn.