Did you know there are 13 rings around Uranus? | |
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Anonymous Coward (OP) User ID: 40959433 United States 01/21/2015 04:51 PM Report Abusive Post Report Copyright Violation | One of Uranus' rings correlates with two moons. "The mechanism that confines the narrow rings is not well understood. Initially it was assumed that every narrow ring had a pair of nearby shepherd moons corralling them into shape. However, in 1986 Voyager 2 discovered only one such shepherd pair (Cordelia and Ophelia) around the brightest ring (epsilon)." [link to en.m.wikipedia.org] |
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bender rodriguez
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spinman
User ID: 5201235 United States 01/21/2015 05:34 PM Report Abusive Post Report Copyright Violation | "The tree of liberty must be refreshed from time to time with the blood of patriots and tyrants." Thomas Jefferson Democracy... while it lasts is more bloody than either aristocracy or monarchy. Remember, democracy never lasts long. It soon wastes, exhausts, and murders itself. There is never a democracy that did not commit suicide. John Adams |
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Anonymous Coward (OP) User ID: 40959433 United States 01/21/2015 05:59 PM Report Abusive Post Report Copyright Violation | Here's the history of their discovery: "The rings of Uranus were discovered on March 10, 1977, by James L. Elliot, Edward W. Dunham, and Douglas J. Mink. More than 200 years ago, in 1789, William Herschel also reported observing rings; some modern astronomers are skeptical that he could have actually seen them, as they are very dark and faint – others are not.[1]" [link to en.m.wikipedia.org] They don't give credit to Herschel. I wonder if Edward Dunham is related to Obama. |
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Anonymous Coward (OP) User ID: 40959433 United States 01/21/2015 07:39 PM Report Abusive Post Report Copyright Violation | Astronomers don't know what the dark matter is that, along with water, makes up the rings. It seems strange that spectrometrical analysis can't determine the composition. Perhaps it's because Uranus is too far away or that the rings' composition can't be differentiated from that of Uranus. "The chemical composition of the ring particles is not known. However, they cannot be made of pure water ice like the rings of Saturn because they are too dark, darker than the inner moons of Uranus.[18] This indicates that they are probably composed of a mixture of the ice and a dark material. The nature of this material is not clear, but it may be organic compounds considerably darkened by the charged particle irradiation from the Uranian magnetosphere." [link to en.m.wikipedia.org] |
YouAreDreaming
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bender rodriguez
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Anonymous Coward (OP) User ID: 40959433 United States 01/21/2015 08:00 PM Report Abusive Post Report Copyright Violation | As it turns out, Uranus' outer ring is blue: Thread: Blue ring discovered around Uranus How does that happen? |
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Anonymous Coward User ID: 36998602 United States 01/21/2015 08:02 PM Report Abusive Post Report Copyright Violation | As it turns out, Uranus' outer ring is blue: Quoting: Squato Vermastick Thread: Blue ring discovered around Uranus How does that happen? I admire how you can keep reporting your data in the midst of all the to be expected commentary. |
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bender rodriguez
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