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| Phobos and Deimos | |
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| Tweet Topic Started: Dec 28 2009, 05:02 AM (597 Views) | |
| Michelle | Dec 28 2009, 05:02 AM Post #1 |
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Phobos is beautiful And so is Deimos!
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| CJ | Dec 29 2009, 12:41 AM Post #2 |
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A very minor case of serious brain damage
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I know. They must be tiny, though, if they're not even round! |
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| Michelle | Dec 29 2009, 08:52 AM Post #3 |
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I had no idea (or I had forgotten) that Mars had moons :S |
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| CJ | Dec 29 2009, 11:10 AM Post #4 |
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A very minor case of serious brain damage
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Yeah - they're easy to firget about, especially when they're so small. |
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| Michelle | Dec 30 2009, 05:07 AM Post #5 |
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Oh ok, I didn't know how small they were |
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| CJ | Feb 23 2010, 11:48 PM Post #6 |
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A very minor case of serious brain damage
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Did you know that Phobos will, in about 11 million years, either crash into Mars or break up into a ring? |
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| Candyguitar | Feb 24 2010, 12:35 AM Post #7 |
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I suppose they're essentially asteroids orbiting a planet. Interesting that their names are both Greek for "fear" and "panic" (phobos and deimos respectively). |
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| Michelle | Nov 8 2010, 03:52 PM Post #8 |
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Whoa. No, I didn't. |
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| CJ | Nov 17 2010, 07:54 PM Post #9 |
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A very minor case of serious brain damage
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And, 8 months on, I'd completely forgotten. It's amazing how little we remember of what we know! |
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| Michelle | Nov 18 2010, 05:45 PM Post #10 |
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I have a pretty good memory, but I don't think I quite knew that! |
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| CJ | Nov 18 2010, 08:23 PM Post #11 |
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A very minor case of serious brain damage
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Mine is normally pretty good too, but I do often read snippets like these from old posts, and realise that I've since forgotten them. |
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| Michelle | Nov 18 2010, 10:47 PM Post #12 |
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So, why will it do that, then? Do astronomers know why?
Edited by Michelle, Nov 18 2010, 10:48 PM.
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| CJ | Nov 18 2010, 11:47 PM Post #13 |
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A very minor case of serious brain damage
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Presumably, they've worked out the trajectory of its orbit. I don't know how they could do that, though, unless they know its current path PRECISELY.... |
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| Michelle | Nov 18 2010, 11:55 PM Post #14 |
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Oh cool, I had forgotten that you said it would bump into Mars. I wonder if it's possible a meteorite could cause this too! |
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| CJ | Nov 19 2010, 12:08 AM Post #15 |
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A very minor case of serious brain damage
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It's entirely possible, although I don't think there are any known ones that would do that. |
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| Michelle | Nov 19 2010, 12:21 AM Post #16 |
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Well, ya never know, it happened to the Earth several times |
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| CJ | Nov 20 2010, 09:37 PM Post #17 |
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A very minor case of serious brain damage
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Yeah, it did. It still happens too...there was a near miss at the beginning of this year: http://www.wired.com/wiredscience/2010/01/wednesdays-near-earth-asteroid-caught-on-film/ |
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| Michelle | Nov 20 2010, 10:23 PM Post #18 |
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That's a bit scary... |
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| CJ | Nov 20 2010, 10:35 PM Post #19 |
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A very minor case of serious brain damage
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I wouldn't worry. Nothing with the potential to wipe us out is going to hit us in the foreseeable future. |
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| Michelle | Nov 20 2010, 11:01 PM Post #20 |
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Well, that's good |
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| CJ | Nov 21 2010, 01:06 AM Post #21 |
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A very minor case of serious brain damage
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Even if there was one, they could probably fire a rocket at it to knock it off course or something. |
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| Michelle | Nov 21 2010, 04:11 PM Post #22 |
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Yeah, that's true. |
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| Michelle | Dec 17 2012, 04:33 AM Post #23 |
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Wow... Phobos has a monolith. I wonder how big it is?![]() And Deimos has interesting craters...
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| CJ | Mar 17 2013, 04:24 PM Post #24 |
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A very minor case of serious brain damage
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Interesting. It's hard to tell how big it is, but I'm guessing not very big, since it's such a small moon. Those craters are kinda hard to see, though. |
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