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Anyone else getting worried about their Social Security? BuckGalaxy February 4, 2025 3:16 pm (CurrentEvents)

The second lowest January ER February 4, 2025 10:51 am (Space/Science)

Heartbreak BuckGalaxy January 31, 2025 2:38 pm (Off-Topic)

He's still got it RobVG January 31, 2025 8:48 am (Off-Topic)

Fork it. podrock January 31, 2025 9:45 am (CurrentEvents)

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Anyone read "2001 a Space Odyssey" ? RobVG January 18, 2025 6:48 pm (Science Fiction)

Growing up and going out: Beyond the cradle BuckGalaxy January 24, 2025 7:28 pm (Space/Science)

Of Milkvetch and Snail Darters RobVG January 19, 2025 10:56 am (Flame)

Every day the record is broken. ER January 17, 2025 7:43 am (Space/Science)

The "Publish" button RobVG January 19, 2025 11:10 am (GeekSpeak)

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Home » Space/Science
NASA TV(hd)

 

Cleaning Optics by RobVG January 2, 2012 2:19 pm
  • That's the first proof of water on Saturn I've seen. by bowser 2012-01-03 22:10:50
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    • "Arkansas Sky Observatory" and "Celestron Knowledge Base" are links n/t by RobVG 2012-01-02 15:53:05
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      • Well yeah, they're underlined. ;-) n/t by Robert 2012-01-03 09:46:00
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        • Indeed n/t by RobVG 2012-01-03 10:28:08
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      • Cool 'Scope. by ER 2012-01-02 15:23:52
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        • Very Punny n/t by RobVG 2012-01-02 15:50:33
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          • It looks like a really ice instrument. by ER 2012-01-02 18:46:30
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            • It's an 11" SCT by RobVG 2012-01-02 20:12:28
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              • I used to have one on my 3" rich-field refractor, which I now use for birding, and it was a ... by ER 2012-01-02 20:43:39
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        Why doesn't distilled water cost more? by ER January 1, 2012 10:27 pm
        • I have a refractor, and once I even had to take the objective apart, there was a fungus growing between ... by ER 2012-01-02 06:39:28
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          • Corrector plates, oculars and primaries I assume. by RobVG 2012-01-02 00:25:19
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            • And a vacuum. One site I don't feel like researching again says it takes about 20 watts of power ... by bowser 2012-01-02 02:28:18
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            Gypsum Vein = water by podrock December 31, 2011 12:27 pm
            • test by FrankC 2011-12-31 23:45:31
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              • cool, way cool by Rita Book 2011-12-31 21:38:49
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                Another Russian Failure by RobVG December 25, 2011 10:53 am
                • That's getting serious. You're right, it's the only access the US has to ISS. When Ronnie Reagan wanted the biggest ... by bowser 2011-12-26 09:48:23
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                  • On the other hand, the U.S. launch system has killed fourteen people. Soyuz has killed four since the 1960s. ... by TB 2011-12-26 10:52:38
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                    • The SpaceX Dragon capsule to the ISS in February. "The U.S. has not opted out of the LEO manned arena. “U.S.” ... by bowser 2011-12-26 11:38:52
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                      • The customer. by TB 2011-12-26 12:04:51
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                        • Good answer. by bowser 2011-12-26 14:30:08
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                  Discovery Powers Down by RobVG December 19, 2011 10:06 pm
                    Soyuz launches with 6 satellites in French Guiana by bowser December 17, 2011 4:47 pm
                      Why the British were doomed to lose the race to the South Pole by TB December 15, 2011 4:17 pm
                      • Factoid as to why Hillary and Norgay were the first to the top of Everest. There had been a Swiss expedition ... by bowser 2011-12-16 11:57:16
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                        • Reading this, the little Calvin in my mind is wondering if they ever took the opportunity to piss off a ... by VelociraptorBlade 2011-12-19 18:15:45
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                          • You are aware, of course, that the wind tends to blow up a cliff. by bowser 2011-12-19 20:11:04
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                            • And not off it? LAME. Still, it'd probably be pretty funny to piss uphill. Long as none ... by VelociraptorBlade 2011-12-19 22:44:00
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                        Paul Allen announces new space venture by TB December 13, 2011 3:03 pm
                        • Sweet, did you save a copy? Maybe we could upload it here. by VelociraptorBlade 2011-12-18 22:49:14
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                          Does anyone understand the Higgs Boson and Higgs field? by bowser December 13, 2011 12:41 pm
                          • Some videos by RobVG 2011-12-14 22:03:55
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                            • Pass me the aether... by Robert 2011-12-13 14:18:49
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                              • Re: The water analogy. The presenter was standing in front of a blackboard. The word "Higgs Boson" was ... by bowser 2011-12-13 18:54:09
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                              • I gave up a long time ago trying to understand any physics formulated after the end of the nineteenth century. ... by ER 2011-12-13 13:55:03
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                                • When it get really hard just add another dimension and mumble something about dark matter. by FrankC 2011-12-13 15:18:34
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                                  • We used to call those "epicycles." by TB 2011-12-13 15:21:05
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                                    • It's epicycles all the way down. by ER 2011-12-13 15:51:47
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                                      • My god -It's full of cycles! Seriously though, the Higgs Field makes as much sense to me as Dark Matter - ... by VelociraptorBlade 2011-12-18 23:07:45
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                                        • If the Higgs Boson is the God Particle, is the Higgs antiparticle the "AntiChrist"? by ER 2011-12-19 17:57:54
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                                          • Would the discovery of the Higgs be the Second Coming? Now what if an atheist snuck onto the payroll. He ... by bowser 2011-12-19 20:21:15
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                                            • ...*Highfives ER for epic win* by VelociraptorBlade 2011-12-19 18:16:30
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                                  Scientific literacy test by TB December 10, 2011 4:03 pm
                                  • 13 missed, a couple were just dumb errors. The rest would have been lucky guesses if I tried a dozen ... by FrankC 2011-12-11 15:12:49
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                                    • I got them all right!!!!!!!!!!! ...and I have some swamp land to sell in Arizona. by Jody 2011-12-11 16:06:55
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                                    • Fun, I missed 11 by RobVG 2011-12-11 13:21:31
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                                      • Spoilers! by ER 2011-12-10 20:38:22
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                                        • As with you, there were some of them I wasn't sure about, but was able to nail down from various ... by TB 2011-12-10 21:31:40
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                                          • All you need from memory is the boiling and freezing pts in both F and C. We know there are 100 ... by ER 2011-12-10 23:04:29
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                                            • It's a little ironic that you and the test writer used a fractional coefficient. n/t by RobVG 2011-12-13 13:07:21
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                                              • By fractional coefficient, do you mean '9/5'? There can be no other choice. I don't understand what you ... by ER 2011-12-13 16:17:15
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                                                • I don’t remember ever seeing the conversion formula written with “9/5”. by RobVG 2011-12-13 17:15:11
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                                                  • I don't think the use of fractions was made obsolete by the metric system at all. The metric system certainly ... by ER 2011-12-13 17:48:06
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                                                  • Still say it was easier to remember "-40." by TB 2011-12-13 16:52:14
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                                                    • I've never been in below 0 F temperature in my life. Even when I was N of the Arctic ... by ER 2011-12-13 17:50:11
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                                                      • What? by bowser 2011-12-14 23:40:09
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                                                        • I was briefly N of the Arctic Circle in October, '68, in maneuvers with the Nato fleet in "Operation Silvertower" ... by ER 2011-12-17 13:38:12
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                                          • What I whiffed (spoilers) by TB 2011-12-10 17:48:55
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                                            • That's very, very good. I missed 10, and about half of those I should have picked up. by bowser 2011-12-10 16:20:50
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                                              Lunar eclipse Dec. 10 by TB December 8, 2011 12:16 pm
                                              • The atmospheric refraction effect is very real, and must be corrected for in sextant observations in celestial navigation. The ... by ER 2011-12-08 17:34:31
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                                                Voyager in the borderlands by TB December 7, 2011 9:44 am
                                                • A lot of information there, not the least is that a craft like those two can last 34 years in ... by bowser 2011-12-07 10:29:13
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