What is a heavily cratered lunar surface usually indicative of? What is the bigg
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Question
What is a heavily cratered lunar surface usually indicative of?
What is the biggest source of the internal heat that drives geological activity in some of our solar system’s moons?
Cryovolcanism on Enceladus is responsible for which of the following?
Enceladus’s thick atmosphere and methane lakes
Saturn’s diffuse E ring
The heavy cratering over most of Enceladus’s surface
Which of Jupiter’s moons are covered with a thick layer of water ice followed by an expansive liquid water ocean?
What would happen to a moon that moves within the Roche limit of its parent planet?
Why did the asteroids in the asteroid belt never combine into a single planet?
How can we determine the distance to nearby stars?
What source of energy powers all stars?
A cooler red star and a hotter blue star are examined. Which produces more energy in the red visible light portion of the spectrum?
Why do stars generate absorption spectrum?
Explanation / Answer
Heavily cratered lunar surface usually indicative highlands make up 83% of the Moon’s surface.
The amount of internal heating depends on mass; the more massive the object, the more internal heat it has; also, for a given density, the more massive the object, the greater the ratio of mass to surface area, and thus the greater the retention of internal heat. The main source is radioactive heating.
Cryovolcanism on Enceladus is responsible for enceladus's thick atmosphere and methane lacks.
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