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What kind of 'natural disasters' happen on the moon?

volcanic eruptions

moonquakes

floods

dust storms

Moonquakes are produced by tidal forces. Moonquakres are much less common and weaker than earthquakes, although they can last for up to an hour - a significantly longer time than terrestrial earthquakes - because of the absence of water to damp out the seismic vibrations.

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This is the aurora of Jupiter. What are the visible bright spots caused by?

atmospheric storms

multiple magnetic poles of Jupiter

Who first described the heliocentric model of the Sun and planets? ( with the Sun in the center)

Nicolaus Copernicus

Claudius Ptolemy

Aristarchus of Samos

Which of Saturn's moons has such distinctive equatorial ridge?

The Moon takes just as long to rotate around its own axis as it does to revolve around the planet (Earth). How many other moons in the Solar System share this feature?