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Muskfinger - and other evil space billionaires BuckGalaxy November 4, 2025 10:19 pm (Space/Science)

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The destruction of Goddard is illegal RL October 31, 2025 9:41 am (Space/Science)

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Home » Space/Science
NASA TV(hd)

 

Tau Ceti has a planet in "habitable zone." by TB December 19, 2012 11:54 am
  • Tau Ceti has always been at the top of our list of suspects. by ER 2012-12-19 13:46:13
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    • What would the radius need to be... by FrankC 2012-12-19 16:59:46
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      • I'm showing my reasoning so you guys can follow along and check my work. by ER 2012-12-19 20:04:59
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        • As for your other question... by ER 2012-12-19 20:15:48
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          • Planetary radius as a function of mass by ER 2012-12-19 20:27:44
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      • Well duh! :-) by mcfly 2012-12-19 14:56:58
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        • At 11.4 light years, Tau Ceti is one of our nearest neighbors. by ER 2012-12-19 15:46:54
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          • A pinball system by mcfly 2012-12-19 21:52:46
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            • Multiple star systems aren't a good place for life. by ER 2012-12-19 22:18:20
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              • PS. - Wouldn't this be a great way to teach astronomy to kids... by ER 2012-12-19 23:05:19
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      China gets asteroid photos by TB December 15, 2012 4:53 pm
      • Close encounter by SteveS 2012-12-17 11:15:13
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        • But no cigar by ER 2012-12-18 06:58:49
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          • The Chinese might disagree by SteveS 2012-12-19 08:48:25
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            • The Chinese pulled off an impressive mission. by ER 2012-12-19 20:46:55
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        Trick question- Which nation built first successful hydrogen bomb? by bowser December 19, 2012 4:01 am
        • A fascinating period by mcfly 2012-12-19 14:45:08
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          Grail Result. by alcaray December 13, 2012 5:31 pm
          • Interesting by johannes 2012-12-14 12:57:32
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            • That's wrong. by alcaray 2012-12-14 15:55:01
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              • Only if by johannes 2012-12-17 18:16:00
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                • If the centripetal force is equal to or greater than the gravity then you don't have a forming planetary body. by alcaray 2012-12-17 18:57:08
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            • Mascons by ER 2012-12-13 18:26:16
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              • Some analysis and explanation. by alcaray 2012-12-14 06:35:02
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              Shifting motivation for space exploration by bowser December 17, 2012 10:53 am
              • In America (the way it's supposed to work) is us citizens do what we want with our money. by alcaray 2012-12-17 13:40:40
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                • I think we just don't care. by ER 2012-12-17 14:07:28
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                  • I don't think most of the people hanging out at this website communicate regularly with their congresspeople. by alcaray 2012-12-17 15:29:20
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                • Portugal used to be the leading European maritime power. by ER 2012-12-17 11:52:40
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                  Instead of 50 kg, perhaps it was 5,000 Kg by johannes December 14, 2012 10:07 am
                  • Oops, convert the watts into Joules. by johannes 2012-12-14 10:14:24
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                    Shaken, not stirred. by ER November 29, 2012 12:52 pm
                    • Another graph by RobVG 2012-12-10 18:46:52
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                      • How much energy is needed by johannes 2012-12-11 18:27:48
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                        • Check out my response to the Techster below... by ER 2012-12-10 20:25:36
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                          • OMG! by alcaray 2012-12-10 20:16:26
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                            • Smartass. by ER 2012-12-10 20:37:58
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                              • Well it does raise an important consideration. by alcaray 2012-12-11 04:47:04
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                                • Causation vs Correlation by ER 2012-12-11 06:21:53
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                          • Temperature rising by johannes 2012-11-30 21:48:50
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                            • How hot is it? by johannes 2012-11-29 18:55:35
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                              • Sea level rise by Lindy 2012-11-29 16:59:07
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                                • I sawr the news today., oh boy.. by ER 2012-11-29 17:15:21
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                                  • Denialists or merely those who realize temperature is a byproduct of radiation. by SDAI-Tech 2012-12-10 16:26:47
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                                    • No, Tech. I think YOUR life follows lunar cycles, not solar ones. by ER 2012-12-10 17:43:36
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                                      • Thanks for the smile... by SDAI-Tech 2012-12-10 21:42:31
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                                        • I think he's a liberal pretending to be a conservative pretending to be a liberal. by alcaray 2012-12-11 14:51:04
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                                          • I think you've got it exactly backwards. by ER 2012-12-11 16:42:42
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                                            • I win. by alcaray 2012-12-11 14:51:38
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                                            • What makes you think Marco is a Conservative? by ER 2012-12-11 06:27:58
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                                        • I'll bet you have some screwy beliefs. by bowser 2012-11-30 14:09:23
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                                          • What will the preachers do when the Devil is saved? by ER 2012-11-30 17:21:33
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                                            • Attack the Devil's sincerity. Create more Devils. by bowser 2012-12-04 16:39:38
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                                      • I’d like to relate the ice cover to the use of nuclear power. by johannes 2012-11-29 15:07:36
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                                        • I'd like to relate the ice cover to the use of fossil fuels. by ER 2012-11-29 18:17:27
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                                          • good idea. by alcaray 2012-11-29 16:53:17
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                                          The Black Marble by SteveS December 11, 2012 6:44 am
                                          • Link by SteveS 2012-12-11 18:10:21
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                                            • oops by SteveS 2012-12-11 06:48:29
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                                              • unoops by Robert 2012-12-11 11:54:54
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                                                • Thank you by SteveS 2012-12-11 18:10:53
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                                              NASA seems to be doing a poor PR job with Curiosity. by bowser December 8, 2012 10:54 pm
                                              • May be they found by johannes 2012-12-09 11:51:50
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                                                • That's wrong in so many ways. by ER 2012-12-09 14:48:18
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                                                  • What would happen if they found by johannes 2012-12-10 13:13:45
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                                                    • Yes. by ER 2012-12-10 14:20:38
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                                                Morning Mars pic by RobVG December 10, 2012 8:51 am
                                                • It looks like Texas. by ER 2012-12-10 08:52:54
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                                                  • LMAO! Thanks ER..I needed that. by Jody 2012-12-10 10:46:02
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                                                  Asteroid mining by TB December 7, 2012 2:29 pm
                                                  • Something the earlier thread overlooked: Energy. by podrock 2012-12-07 15:50:24
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                                                    Mars; here we come. by johannes December 3, 2012 7:38 pm
                                                    • A long way to go but I'm glad it's his mission by BuckGalaxy 2012-12-03 21:31:54
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                                                      • Apollo cost $100G in today's dollars. by ER 2012-12-04 11:14:48
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                                                        • Colonization ain't gonna happen. by bowser 2012-12-04 16:37:27
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                                                          • It's not impossible, just unprofitable. by ER 2012-12-04 19:06:09
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                                                            • So what's wrong with constant resupply from a home base? by TB 2012-12-04 20:24:07
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                                                              • The tensions facing this Earth and species won't allow those expenditures. by bowser 2012-12-05 17:08:05
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                                                                • You need a reason to go there. by ER 2012-12-04 23:24:46
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                                                                  • Good point. by TB 2012-12-05 10:29:31
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                                                                    • There's a lot of stuff in space we need here. by ER 2012-12-05 13:13:39
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                                                                      • Not the Moon. Asteroids. Avoid gravity wells when you can. by TB 2012-12-05 21:29:43
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                                                                        • The Belt is good... by ER 2012-12-06 09:02:24
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                                                                          • There are innovative entrepreneurs investing in this. by TB 2012-12-06 11:52:04
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                                                                            • I wish them the best of luck. by ER 2012-12-06 16:48:55
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                                                                            • "Belt to the inner solar system is just as energy-expensive–you have to slow down when you get home." by alcaray 2012-12-06 11:06:47
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                                                                              • True, but aero braking by ER 2012-12-06 17:07:17
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                                                                                • We used to think that sending probes to other planets required using rockets to achieve orbit. by alcaray 2012-12-06 17:50:27
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                                                                                  • Gravity assists require precise planetary alignments. by ER 2012-12-06 18:36:19
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                                                                                    • "don't occur all that frequently..." by alcaray 2012-12-06 23:08:15
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                                                                                      • Sails were a kind of warp drive. by ER 2012-12-07 06:09:17
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                                                                                        • My point by alcaray 2012-12-07 12:22:24
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                                                                                          • I'm not just trying to pick a fight and prove I must be right. by ER 2012-12-07 12:50:04
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