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19 March 2012
- 18:1418:14, 19 March 2012 diff hist 0 Back to the Beginning of Time →Coma Cluster of Galaxies
- 18:1418:14, 19 March 2012 diff hist +6 Back to the Beginning of Time →Coma Cluster of Galaxies
- 18:1218:12, 19 March 2012 diff hist +1 Back to the Beginning of Time →Virgo Cluster of Galaxies
- 18:1218:12, 19 March 2012 diff hist +1 Back to the Beginning of Time →Virgo Cluster of Galaxies
- 18:1118:11, 19 March 2012 diff hist +3 Back to the Beginning of Time →Virgo Cluster of Galaxies
- 18:1118:11, 19 March 2012 diff hist +455 Back to the Beginning of Time No edit summary
- 18:0018:00, 19 March 2012 diff hist 0 N File:Virgo cluster z.jpg No edit summary current
- 18:0018:00, 19 March 2012 diff hist 0 N File:Hydra galaxy cluster z.jpg No edit summary current
- 18:0018:00, 19 March 2012 diff hist 0 N File:Hercules galaxy cluster z.jpg No edit summary current
- 18:0018:00, 19 March 2012 diff hist 0 N File:Corona borealis galaxy cluster z.jpg No edit summary current
- 18:0018:00, 19 March 2012 diff hist 0 N File:Coma cluster z.jpg No edit summary current
- 17:4917:49, 19 March 2012 diff hist +3,495 N Back to the Beginning of Time Created page with "We know if we have traveled 100 miles steadily at 50 miles per hour, we must have left 2 hours earlier. From the redshift z we have learned how to find the velocity v. From th..."
- 17:4717:47, 19 March 2012 diff hist +157 Elementary Astronomy No edit summary
- 17:4617:46, 19 March 2012 diff hist +141 The Universe is Expanding →The More Distant the Galaxy, the Gaster it is Receding current
- 17:4417:44, 19 March 2012 diff hist −1 The Universe is Expanding →Examples of Hubble's Law
- 17:4417:44, 19 March 2012 diff hist +6 The Universe is Expanding →Comparing Distances of Galaxies with Hubble's Law
- 17:4317:43, 19 March 2012 diff hist +30 The Universe is Expanding →Hubble Law
- 17:4217:42, 19 March 2012 diff hist +42 The Universe is Expanding →Doppler Effect
- 17:4017:40, 19 March 2012 diff hist +124 The Universe is Expanding →Doppler Effect
- 17:3517:35, 19 March 2012 diff hist +34 The Universe is Expanding →Examples of Hubble's Law
- 17:3217:32, 19 March 2012 diff hist +33 The Universe is Expanding →Examples of Hubble's Law
- 17:3117:31, 19 March 2012 diff hist +25 The Universe is Expanding →Comparing Distances of Galaxies with Hubble's Law
- 17:2917:29, 19 March 2012 diff hist +32 The Universe is Expanding →Hubble Law
- 17:2817:28, 19 March 2012 diff hist +152 The Universe is Expanding →Doppler Effect
- 17:2417:24, 19 March 2012 diff hist +28 The Universe is Expanding →Doppler Effect
- 17:2217:22, 19 March 2012 diff hist 0 N File:Galaxy distribution jarret.jpg No edit summary current
- 17:2217:22, 19 March 2012 diff hist 0 N File:Redshift chart.jpg No edit summary current
- 17:2217:22, 19 March 2012 diff hist 0 N File:Redshift galaxy clusters2.jpg No edit summary current
- 17:2217:22, 19 March 2012 diff hist 0 N File:Redshift stokes byu.jpg No edit summary current
- 17:1917:19, 19 March 2012 diff hist +124 The Universe is Expanding No edit summary
- 17:1417:14, 19 March 2012 diff hist +4,532 N The Universe is Expanding Created page with "THE UNIVERSE IS EXPANDING ! doppler Without going into the math, we will simply note that the redshift (z) is measured by taking the change in the wavelength and dividing i..."
8 March 2012
- 08:4708:47, 8 March 2012 diff hist +13 Remote Telescope Requests →Limitations
- 08:4008:40, 8 March 2012 diff hist −3 Remote Telescope Requests →What the Telescopes Can Show
- 08:3708:37, 8 March 2012 diff hist +4 Remote Telescope Requests →What the Telescopes Can Show
- 08:3608:36, 8 March 2012 diff hist +1 Remote Telescope Requests →What the Telescopes Can Show
- 08:2508:25, 8 March 2012 diff hist +138 Remote Telescope Requests →Questions
- 08:1908:19, 8 March 2012 diff hist +183 Remote Telescope Requests →Limitations
- 07:5807:58, 8 March 2012 diff hist +20 Remote Telescope Requests →How to Proceed
- 07:5807:58, 8 March 2012 diff hist +8 Remote Telescope Requests →How to Proceed
- 07:5607:56, 8 March 2012 diff hist +82 Remote Telescope Requests →What the Telescopes Can Show
- 07:4207:42, 8 March 2012 diff hist +20 Remote Telescope Requests →Available Resources
6 March 2012
- 05:0705:07, 6 March 2012 diff hist +27 Elementary Astronomy News Highlights →Week of March 5, 2012
- 05:0605:06, 6 March 2012 diff hist −2 Elementary Astronomy News Highlights →Week of March 5, 2012
- 05:0305:03, 6 March 2012 diff hist +166 Elementary Astronomy News Highlights No edit summary
- 05:0105:01, 6 March 2012 diff hist +247 N File:Orion flare stars ssc2012-04 rec.jpg Credit: NASA Herschel Project, ESA's Herschel Mission, and the Infrared Processing and Analysis Center at the California Insitute of Technology. http://www.spitzer.caltech.edu/news/1383-ssc2012-04-Young-Stars-Flicker-Amidst-Clouds-of-Gas-and-Dust current
- 04:5804:58, 6 March 2012 diff hist +554 Elementary Astronomy News Highlights No edit summary
- 04:4404:44, 6 March 2012 diff hist +64 Elementary Astronomy No edit summary
- 04:2404:24, 6 March 2012 diff hist 0 Elementary Astronomy No edit summary
- 04:2204:22, 6 March 2012 diff hist +181 Elementary Astronomy No edit summary
- 04:1804:18, 6 March 2012 diff hist +43 How to Measure Distances in the Universe →Redshifts current
- 04:1604:16, 6 March 2012 diff hist +88 How to Measure Distances in the Universe →Cepheid Variables
- 04:1404:14, 6 March 2012 diff hist +43 How to Measure Distances in the Universe →Inverse Square
- 04:1304:13, 6 March 2012 diff hist 0 How to Measure Distances in the Universe →Parallax
- 04:1304:13, 6 March 2012 diff hist +141 How to Measure Distances in the Universe No edit summary
- 04:0804:08, 6 March 2012 diff hist +2 How to Measure Distances in the Universe →Cepheid Variables
- 04:0704:07, 6 March 2012 diff hist +94 How to Measure Distances in the Universe →Inverse Square
- 04:0504:05, 6 March 2012 diff hist +125 How to Measure Distances in the Universe →Parallax
- 04:0304:03, 6 March 2012 diff hist +12 How to Measure Distances in the Universe →Triangulation
- 04:0204:02, 6 March 2012 diff hist +139 How to Measure Distances in the Universe →Triangulation
- 04:0004:00, 6 March 2012 diff hist +34 How to Measure Distances in the Universe →Lasers
- 03:5903:59, 6 March 2012 diff hist −3 How to Measure Distances in the Universe →Parallax
- 03:5903:59, 6 March 2012 diff hist +1 How to Measure Distances in the Universe →Triangulation
- 03:5703:57, 6 March 2012 diff hist +1 How to Measure Distances in the Universe →Cepheid Variables
- 03:5603:56, 6 March 2012 diff hist −3 How to Measure Distances in the Universe →Cepheid Variables
- 03:5503:55, 6 March 2012 diff hist +65 How to Measure Distances in the Universe No edit summary
- 03:4903:49, 6 March 2012 diff hist +337 How to Measure Distances in the Universe No edit summary
- 03:4403:44, 6 March 2012 diff hist 0 How to Measure Distances in the Universe No edit summary
- 03:4303:43, 6 March 2012 diff hist +10 How to Measure Distances in the Universe No edit summary
- 03:4203:42, 6 March 2012 diff hist −1 How to Measure Distances in the Universe No edit summary
- 03:4003:40, 6 March 2012 diff hist +702 How to Measure Distances in the Universe No edit summary
- 03:2803:28, 6 March 2012 diff hist 0 N File:Virgo cluster label.jpg No edit summary current
- 03:2803:28, 6 March 2012 diff hist 0 N File:Triangulation web.jpg No edit summary current
- 03:2703:27, 6 March 2012 diff hist 0 N File:Supernovae type ia.jpg No edit summary current
- 03:2703:27, 6 March 2012 diff hist 0 N File:Stephans quintet.jpg No edit summary current
- 03:2703:27, 6 March 2012 diff hist 0 N File:Sn1997c.jpg No edit summary current
- 03:2703:27, 6 March 2012 diff hist 0 N File:Sn1994d.jpg No edit summary current
- 03:2603:26, 6 March 2012 diff hist 0 N File:Proxima centauri red dwarf nasa.jpg No edit summary current
- 03:2603:26, 6 March 2012 diff hist 0 N File:Parsec.jpg No edit summary current
- 03:2603:26, 6 March 2012 diff hist 0 N File:Parallax web.jpg No edit summary current
- 03:2603:26, 6 March 2012 diff hist 0 N File:Laser mcdonald observatory.jpg No edit summary current
- 03:2603:26, 6 March 2012 diff hist 0 N File:Inverse square.jpg No edit summary current
- 03:2503:25, 6 March 2012 diff hist 0 N File:Henrietta and smc.png No edit summary current
- 03:2403:24, 6 March 2012 diff hist 0 N File:Doppler good.jpg No edit summary current
- 03:2303:23, 6 March 2012 diff hist 0 N File:Distant comet in kuiper belt.jpg No edit summary current
- 03:2303:23, 6 March 2012 diff hist 0 N File:Distance supernova before after.jpg No edit summary current
- 03:2303:23, 6 March 2012 diff hist 0 N File:Cepheid variable plate similar size.png No edit summary current
- 03:2203:22, 6 March 2012 diff hist 0 N File:Cepheid variable in andromeda.jpg No edit summary current
- 03:1503:15, 6 March 2012 diff hist +17,288 N How to Measure Distances in the Universe Created page with "Distances to the Moon are measured by timing a pulse of laser light reflected from mirrors placed on the surface by Apollo astronauts in the 1960's and 1970's. A laser pulse t..."
28 February 2012
- 19:4319:43, 28 February 2012 diff hist +83 Elementary Astronomy News Highlights No edit summary
- 19:4019:40, 28 February 2012 diff hist +614 N File:Eta carina light echos nature10775.jpg Light echoes reveal an unexpectedly cool η Carinae during its nineteenth-century Great Eruption * A. Rest,1 * J. L. Prieto,2, 3 * N. R. Walborn,1 * N. Smith,4 * F. B. Bianco,5, 6 * R. Chornock,7 * D. L. Welch,8 * D. A. Howell,5, 6 * M. E. Huber,9 * R. J. Foley,7 * W. Fong,7 * B. Sinnott,8 * H. E. Bond,1 * R. C. Smith,10 * I. Toledo,11 * D. Minniti12 * & K. Mandel7, 13 * Affiliations * Contributions * Corresponding author Journal name: Nature Volume: 482, Pages: 375–378 Date published: (16 February 2012) current
- 19:3719:37, 28 February 2012 diff hist +4 Elementary Astronomy News Highlights No edit summary
- 19:3619:36, 28 February 2012 diff hist +122 Elementary Astronomy News Highlights No edit summary
- 19:3419:34, 28 February 2012 diff hist +39 N File:Eta-carinae-light-echoes 48643 600x450.jpg Images courtesy A. Rest, STSI/NASA/NOAO current
- 19:3419:34, 28 February 2012 diff hist +943 Elementary Astronomy News Highlights No edit summary
- 00:0700:07, 28 February 2012 diff hist +92 Elementary Astronomy No edit summary
- 00:0400:04, 28 February 2012 diff hist −29 Death of Stars →The Biggest Black Holes current
27 February 2012
- 23:5923:59, 27 February 2012 diff hist 0 Death of Stars →Neutron Stars and Pulsars
- 23:5723:57, 27 February 2012 diff hist +1 Death of Stars →A Rare Supernova
- 23:5523:55, 27 February 2012 diff hist +230 Death of Stars →The Biggest Black Holes
- 23:5323:53, 27 February 2012 diff hist +122 Death of Stars →Later Generations of Stars