A large number of moons orbit their home planets. When we think of them, we almost always have a picture of our moon before our eyes. True, many of them are similar in size and shape to our Moon – but there are also many different natural satellites that orbit the planet. Perhaps the most famous are Mars Demos and Phobos, but another moon is very interesting. Saturn’s Phoebe moon. As an irregular moon, it was found back in 1899, based on an analysis of photographic plates made a year earlier. With many deep craters and 212 kilometers in size – Phoebe orbits Saturn in the opposite direction of Saturn’s rotation.
12.8 million kilometers away from Saturn, Phobe is at approximately 30 times the distance of the Moon from Earth. Because of this, Phoebe needs 1.5 years to make a circle around Saturn. This moon is located inside Phoebe’s Saturn ring, and that ring is estimated to be 40 times thicker than Saturn’s diameter. It is assumed that Phoebe was not formed at the time of the formation of the solar system, and that it is an object that Saturn captured in orbit. Phoebe moon has a low density – just over 1.5 times the density of water ice. This is the reason for the theory that Saturn’s moon is Phoebe – a comet that was once trapped in Saturn’s orbit a long time ago.
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