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Pastimes
Astronomy and Space
An SI Board Since December 2016
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Emcee:  J.B.C. Type:  Moderated
Introduction Compact
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186H/T TimF: [youtube video]J.B.C.-12/8/2018
185Really cool video of a launch from space. Condensed (see article) This AstronauJ.B.C.-11/24/2018
184The Sky This Week from November 23 to December 2 Venus shines at its brightest bJ.B.C.-11/24/2018
183Astronomy Picture of the Day Discover the cosmos! Each day a different image orJ.B.C.-11/24/2018
182how do you get propulsion from a fission There are a number of ways. Most likeTimF-11/16/2018
181This article raises more questions than it answers. For instance how do you getDMaA-11/16/2018
180Whew! NASA fixes the Hubble Space Telescope Anthony Watts / 7 mins ago OctDMaA-10/23/2018
179Twin Japanese robotic rovers land on asteroid Ryugu Anthony Watts / 1 hour DMaA19/22/2018
178Great rendering.J.B.C.-8/17/2018
177NASA’s Solar Dynamics Observatory makes a stunning portrayal of the Sun’s magnetDMaA-8/17/2018
176Strange events: Earth’s upper atmosphere creating glowing clouds Anthony Watts /DMaA-8/16/2018
175I had a hunch it was right.DMaA-7/27/2018
174Einstein’s theory of relativity was just proven, once again Chris Burns - Jul 2J.B.C.17/27/2018
173World wide dust storm on mars. Massive Dust Storm Swallows Mars [graphic] watDMaA-7/3/2018
172Orbital ATK poised to 'upset' SpaceX, ULA in race for Air Force contractJ.B.C.-4/24/2018
171Study: diamonds in meteorite may indicate a lost planet that once roamed our solDMaA-4/17/2018
170Not sure of the question. I knew of wobble and precession. I wasn't aware J.B.C.-4/11/2018
169Have you ever heard of this? Someone told me about it and I called him nuts so DMaA-4/9/2018
1681st step to a return of commercial supersonic flight: [youtube video]J.B.C.-4/4/2018
167Chinese space station Tiangong-1 hurtling toward Earth for reentry within the neGROUND ZERO™-4/1/2018
166This galaxy without dark matter is bending the rules of space TimF-3/29/2018
165I see your 4 degrees and I'll raise you 2 degrees... GZGROUND ZERO™-3/16/2018
164I got your sarcasm. And I got your 4 degrees right here.DMaA-3/16/2018
163Exactly, there are very clear cycles and they take many, many years for each cycGROUND ZERO™-3/16/2018
162The earth warms through longs periods, the earth cools thru long periods, and whJ.B.C.-3/16/2018
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