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Questions tagged [rings]

A ring system is a disk or ring orbiting an astronomical object that is composed of solid material such as dust, moonlets, and is a common component of satellite systems around giant planets.

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Iapetus - Destabilized rings to mountains?

I was reading an article about a ring that was destabilized out of orbit on one of Saturns moons. I got there by looking for mountains because of this question (unrelated mostly). Here's a picture of ...
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Could the ISS put a ring around the Earth?

I was reading about orbital rings, and more specifically I was thinking about how one could be constructed. It obviously would need angular momentum, because each piece of the ring (if separated from ...
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How do Saturn's rings affect the surface of the planet?

How do Saturn's rings affect the surface of the planet, and could a possible habitable exo-planet have a similar ring pattern to Saturn? Besides the probable increase of asteroids hitting the planet ...
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Artificial ring around the Earth?

What pros and cons would a orbiting ring have for Earth? Is there enough satellites in orbit to form a joined ring?
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What delta-v per orbit would a spacecraft need to hover next to Saturn's rings?

In order to collect Saturn's ring particles for sample return to Earth, a spacecraft would need to share the orbit of this debris. If it is inclined it will have to pass through the rings twice each ...
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Is this the first photo of Jupiter's ring(s) from deep space?

The BBC news article Juno peers below Jupiter's clouds includes several very interesting images from the Juno spacecraft. The one below is a photo of Jupiter's faint ring. The article says: One ...
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With what forces are Saturn's Rings cohesively held together? [closed]

With what sort of gravitation are Saturn's Rings held together? It is very spectacular and intriguing compared to the way Earth's gravitation acts. I do not have a basic or conceptual idea of what/...
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Valuable materials in Saturn rings and comets vs. Carbonaceous chondrites

Most common type of asteroids in inner solar system are carbonaceous chondrites while most common type of object in outer solar system are comets. Carbonaceous chondrites are very rich on carbon and ...
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What about gathering water ice from Saturn's rings?

Saturn's rings are almost pure water ice in nice manageable chunks from specks to boulders a few meters across. Assuming there is something truly useful to do with it - once again talking about ...
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How dense are Saturn's rings?

How high is the density of asteroids in the rings of Saturn? Would it be possible for a spacecraft to fly through the thicker rings without colliding with asteroids? Would it be necessary to avoid a ...
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Why are the Rings of Saturn so much brighter than the other planets?

It seems to be a given that gas giants have rings. However,Saturn has rings that are far larger than any others in the Solar System, and far more visible as well. What is unique to Saturn that it has ...