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8 March 2012
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
- 23:5223:52, 27 February 2012 diff hist +37 Death of Stars →Coming Soon: A Supernova in the Southern Hemisphere
- 23:5123:51, 27 February 2012 diff hist +196 Death of Stars →Coming Soon: A Supernova in the Southern Hemisphere
- 23:4823:48, 27 February 2012 diff hist +163 Death of Stars →BLACK HOLES !!!
- 23:4623:46, 27 February 2012 diff hist +643 Death of Stars →Neutron Stars and Pulsars
- 23:3923:39, 27 February 2012 diff hist +248 Death of Stars →A Rare Supernova
- 23:3723:37, 27 February 2012 diff hist 0 Death of Stars →White Dwarfs
- 23:3623:36, 27 February 2012 diff hist +42 Death of Stars →White Dwarfs
- 23:3323:33, 27 February 2012 diff hist +54 Death of Stars No edit summary
- 23:3123:31, 27 February 2012 diff hist +2 Death of Stars →The Biggest Black Holes
- 23:3123:31, 27 February 2012 diff hist +50 Death of Stars →The Biggest Black Holes
- 23:2923:29, 27 February 2012 diff hist 0 m File:Veil supernova remnant.jpg moved File:Vela supernova remnant.jpg to File:Veil supernova remnant.jpg current
- 23:2823:28, 27 February 2012 diff hist +59 Death of Stars →Later Generations of Stars
- 23:2623:26, 27 February 2012 diff hist +1 Death of Stars →BLACK HOLES !!!
- 23:2523:25, 27 February 2012 diff hist 0 Death of Stars →BLACK HOLES !!!
- 23:2523:25, 27 February 2012 diff hist +223 Death of Stars →BLACK HOLES !!!
- 23:2023:20, 27 February 2012 diff hist +83 Death of Stars →Neutron Stars and Pulsars
- 23:1723:17, 27 February 2012 diff hist +107 Death of Stars →A Rare Supernova
- 23:0923:09, 27 February 2012 diff hist +23 Death of Stars →White Dwarfs
- 23:0723:07, 27 February 2012 diff hist 0 m File:Abell39a.jpg moved File:Abell39acon.jpg to File:Abell39a.jpg current
- 23:0623:06, 27 February 2012 diff hist −3 We Can See the Universe No edit summary current
- 23:0323:03, 27 February 2012 diff hist +495 Death of Stars No edit summary
- 22:5622:56, 27 February 2012 diff hist +85 Death of Stars No edit summary
- 22:5122:51, 27 February 2012 diff hist +2 Elementary Astronomy No edit summary
- 22:5122:51, 27 February 2012 diff hist +90 Elementary Astronomy No edit summary
- 22:4922:49, 27 February 2012 diff hist +158 Birth of Stars No edit summary current
- 22:4522:45, 27 February 2012 diff hist 0 m File:Rosette ngc2244 nmm.jpg moved File:Rossette ngc2244 nmm.jpg to File:Rosette ngc2244 nmm.jpg current
- 22:4522:45, 27 February 2012 diff hist −1 We Can See the Universe →We Can See the Milky Way Galaxy
- 22:4222:42, 27 February 2012 diff hist 0 Birth of Stars No edit summary
- 22:4022:40, 27 February 2012 diff hist +1 Birth of Stars No edit summary
- 22:4022:40, 27 February 2012 diff hist −1 Birth of Stars No edit summary
- 22:3922:39, 27 February 2012 diff hist +758 Birth of Stars No edit summary
- 22:2722:27, 27 February 2012 diff hist +143 Elementary Astronomy No edit summary
- 22:2422:24, 27 February 2012 diff hist +24 Subatomic Particles →You Can Recognize Some Subatomic Particles current
- 22:2422:24, 27 February 2012 diff hist +1 Subatomic Particles →Subatomic Particles
- 22:2322:23, 27 February 2012 diff hist +19 Subatomic Particles →Subatomic Particles
- 22:2322:23, 27 February 2012 diff hist −1 Subatomic Particles →Protons, Neutrons, Electrons, Quarks, or Energy Itself?
- 22:2222:22, 27 February 2012 diff hist +23 Subatomic Particles →Protons, Neutrons, Electrons, Quarks, or Energy Itself?
- 22:2222:22, 27 February 2012 diff hist +24 Subatomic Particles No edit summary
- 22:2122:21, 27 February 2012 diff hist +214 Subatomic Particles No edit summary
- 22:1822:18, 27 February 2012 diff hist −10 Subatomic Particles No edit summary
- 22:1622:16, 27 February 2012 diff hist +327 Subatomic Particles No edit summary
- 22:0822:08, 27 February 2012 diff hist 0 N File:Particles quarks subatomic.jpg No edit summary current
- 22:0822:08, 27 February 2012 diff hist 0 N File:Particles quarks and friends.jpg No edit summary current
- 22:0822:08, 27 February 2012 diff hist 0 N File:Bubblechamber2c.jpg No edit summary current
- 22:0822:08, 27 February 2012 diff hist 0 N File:Rosette orion.jpg No edit summary current
- 22:0722:07, 27 February 2012 diff hist 0 N File:Protoplanetary disks in Orion.jpg No edit summary current
- 22:0722:07, 27 February 2012 diff hist 0 N File:Protoplanetary disk opo9545g.jpg No edit summary current
- 22:0622:06, 27 February 2012 diff hist 0 N File:Pleiades gendler big.jpg No edit summary current
- 22:0622:06, 27 February 2012 diff hist 0 N File:Orion nebula hst 2006 mosaic 18000.jpg No edit summary current
- 22:0622:06, 27 February 2012 diff hist 0 File:Ngc3603 hs-1999-20-a-full.jpg uploaded a new version of "File:Ngc3603 hs-1999-20-a-full.jpg" current
- 22:0622:06, 27 February 2012 diff hist 0 N File:M16 jm3.jpg No edit summary current
- 22:0522:05, 27 February 2012 diff hist 0 File:Doublecluster nmm.jpg uploaded a new version of "File:Doublecluster nmm.jpg" current
- 22:0522:05, 27 February 2012 diff hist 0 File:Bok globule opo0613a.jpg uploaded a new version of "File:Bok globule opo0613a.jpg" current
- 22:0422:04, 27 February 2012 diff hist 0 N File:Veil supernova remnant.jpg No edit summary
- 22:0422:04, 27 February 2012 diff hist 0 N File:Taurus crab heic0515b.jpg No edit summary current
- 22:0422:04, 27 February 2012 diff hist 0 N File:Supernova type Ia a.jpg No edit summary current
- 22:0322:03, 27 February 2012 diff hist 0 N File:Sn type Ia.jpg No edit summary current
- 22:0322:03, 27 February 2012 diff hist 0 N File:Sn1987a shock hst 304.gif No edit summary current
- 22:0322:03, 27 February 2012 diff hist 0 N File:Sn1987a.jpg No edit summary current
- 22:0322:03, 27 February 2012 diff hist 0 N File:Planetary nebulae.jpg No edit summary current
- 22:0322:03, 27 February 2012 diff hist 0 N File:Ngc3603 hs-1999-20-a-full.jpg No edit summary
- 22:0222:02, 27 February 2012 diff hist 0 N File:M87 hs-1992-01-a-large web.jpg No edit summary current
- 22:0222:02, 27 February 2012 diff hist 0 N File:M46 planetary nebula alone.jpg No edit summary current
- 22:0222:02, 27 February 2012 diff hist 0 N File:M46 m47 hetlage f.jpg No edit summary current
- 22:0222:02, 27 February 2012 diff hist 0 N File:M46 c8mfr3 ps1.jpg No edit summary current
- 22:0222:02, 27 February 2012 diff hist 0 N File:Helix.jpg No edit summary current
- 22:0122:01, 27 February 2012 diff hist 0 N File:Fate of a sun size star.jpg No edit summary current
- 22:0122:01, 27 February 2012 diff hist 0 N File:Eta carinae hubble chandra.jpg No edit summary current
- 22:0122:01, 27 February 2012 diff hist 0 N File:Death of stars hs 1996.jpg No edit summary current
- 22:0122:01, 27 February 2012 diff hist 0 File:Crab hubble.jpg uploaded a new version of "File:Crab hubble.jpg" current
- 20:4920:49, 27 February 2012 diff hist +14,807 N Death of Stars Created page with "''Under Developmen''t You Have Heard of BLACK HOLES! All stars eventually run out of hydrogen in their cores. Once hydrogen fusion stops the star collapses under its own gra..."
- 20:4820:48, 27 February 2012 diff hist +3,900 N Birth of Stars Created page with "''Under Development'' The early universe was composed mostly of hydrogen. Where the hydrogen was slightly more dense, the gravity of the hydrogen atoms drew it together into..."
- 20:4720:47, 27 February 2012 diff hist +6,433 N Subatomic Particles Created page with "''Under Development'' Protons, Neutrons, Electrons, Quarks, or Energy Itself? When small stars die and their source of fusion energy is gone, gravity overcomes the pressure..."
22 February 2012
- 05:3705:37, 22 February 2012 diff hist +42 The Moon No edit summary current
- 05:3505:35, 22 February 2012 diff hist +22 N File:Moon phases 20120222.png Credit: Helen Kielkopf current
21 February 2012
- 20:2220:22, 21 February 2012 diff hist +185 Elementary Astronomy News Highlights →Week of February 20, 2012
20 February 2012
- 19:4519:45, 20 February 2012 diff hist +2 Elementary Astronomy No edit summary
- 19:4519:45, 20 February 2012 diff hist 0 m Periodic Table of the Elements moved Period Table of the Elements to Periodic Table of the Elements current
- 11:3411:34, 20 February 2012 diff hist +109 Elementary Astronomy No edit summary
- 11:3311:33, 20 February 2012 diff hist +328 We Can See the Universe →Other Galaxies Near and Far
- 11:2911:29, 20 February 2012 diff hist +1 We Can See the Universe →Mass of a Celestial Object
- 11:2911:29, 20 February 2012 diff hist +2 We Can See the Universe →Mass of a Celestial Object
- 11:2811:28, 20 February 2012 diff hist +78 We Can See the Universe →Mass of a Celestial Object
- 11:2411:24, 20 February 2012 diff hist +151 We Can See the Universe →The Hertzsprung-Russell "HR" Diagram
- 11:2111:21, 20 February 2012 diff hist +252 We Can See the Universe →We Can See the Milky Way Galaxy
- 11:1511:15, 20 February 2012 diff hist +296 We Can See the Universe →We Can Begin to Understand It
- 11:1111:11, 20 February 2012 diff hist +109 We Can See the Universe →We Can Begin to Understand It
- 11:0211:02, 20 February 2012 diff hist +15 We Can See the Universe No edit summary
- 11:0111:01, 20 February 2012 diff hist 0 N File:Hubble deep field hs-1996-01-d-full.jpg No edit summary current
- 10:5510:55, 20 February 2012 diff hist −2 We Can See the Universe No edit summary
- 10:5410:54, 20 February 2012 diff hist −2 We Can See the Universe No edit summary
- 10:5210:52, 20 February 2012 diff hist +5 We Can See the Universe →Other Galaxies Near and Far
- 10:5010:50, 20 February 2012 diff hist +4 We Can See the Universe →Other Galaxies Near and Far
- 10:4810:48, 20 February 2012 diff hist +385 We Can See the Universe →Other Galaxies Near and Far
- 10:3910:39, 20 February 2012 diff hist +169 We Can See the Universe →Mass of a Celestial Object
- 10:3610:36, 20 February 2012 diff hist +231 We Can See the Universe No edit summary
- 10:3510:35, 20 February 2012 diff hist −9 We Can See the Universe →The Hertzsprung Russle "HR" Diagram
- 10:3010:30, 20 February 2012 diff hist +107 We Can See the Universe →We Can See the Milky Way Galaxy
- 10:2710:27, 20 February 2012 diff hist +6 We Can See the Universe →We Can Begin to Understand It
- 10:2610:26, 20 February 2012 diff hist −3 We Can See the Universe →We Can Begin to Understand It
- 10:2510:25, 20 February 2012 diff hist −21 We Can See the Universe No edit summary
- 10:2510:25, 20 February 2012 diff hist 0 File:Au.jpg uploaded a new version of "File:Au.jpg" current
- 10:2310:23, 20 February 2012 diff hist −36 We Can See the Universe No edit summary
- 10:2310:23, 20 February 2012 diff hist +606 We Can See the Universe No edit summary
- 10:0910:09, 20 February 2012 diff hist 0 N File:Star cluster m41 nmm.jpg No edit summary current
- 10:0910:09, 20 February 2012 diff hist 0 N File:Star birth in small magellanic cloud.jpg No edit summary current
- 10:0910:09, 20 February 2012 diff hist 0 N File:Solar systeme.jpg No edit summary current
- 10:0910:09, 20 February 2012 diff hist 0 N File:Sirius ab polaris a ab b.jpg No edit summary current
- 10:0810:08, 20 February 2012 diff hist 0 N File:Seeing the universe orion taurus canis major.jpg No edit summary current
- 10:0810:08, 20 February 2012 diff hist 0 N File:Rosette ngc2244 nmm.jpg No edit summary
- 10:0810:08, 20 February 2012 diff hist 0 N File:Rosette ballauer 2400.jpg No edit summary current
- 10:0710:07, 20 February 2012 diff hist 0 N File:Orion gendler.jpg No edit summary current
- 10:0710:07, 20 February 2012 diff hist 0 N File:Orion barnard s loop c.jpg No edit summary current
- 10:0610:06, 20 February 2012 diff hist 0 N File:Mw-annot-browse.jpg No edit summary current
- 10:0610:06, 20 February 2012 diff hist 0 N File:Milky way galaxy stubbs.jpg No edit summary current
- 10:0610:06, 20 February 2012 diff hist 0 N File:Mclouds 20 crop.jpg No edit summary current
- 10:0610:06, 20 February 2012 diff hist 0 N File:Magellanic clouds-84mcnaught druckmullerc.jpg No edit summary current
- 10:0510:05, 20 February 2012 diff hist 0 N File:Lmc supernova rem165850 main pia09071-516.jpg No edit summary current
- 10:0510:05, 20 February 2012 diff hist 0 N File:Jupiter and moons.jpg No edit summary current
- 10:0510:05, 20 February 2012 diff hist 0 N File:Hr diagram.png No edit summary current
- 10:0410:04, 20 February 2012 diff hist 0 N File:Gal ultra deep field6992021432.jpg No edit summary current
- 10:0410:04, 20 February 2012 diff hist 0 N File:Galaxy group hickson arp.jpg No edit summary current
- 10:0410:04, 20 February 2012 diff hist 0 N File:Galaxies1 06-09-18 c.jpg No edit summary current
- 10:0310:03, 20 February 2012 diff hist 0 N File:Doublecluster nmm.jpg No edit summary
- 10:0310:03, 20 February 2012 diff hist 0 N File:Betelgeuse star hubble .jpg No edit summary current
- 10:0210:02, 20 February 2012 diff hist 0 N File:Au.jpg No edit summary
- 10:0210:02, 20 February 2012 diff hist 0 N File:Abell39a.jpg No edit summary
- 10:0110:01, 20 February 2012 diff hist +31 Elementary Astronomy No edit summary
- 10:0010:00, 20 February 2012 diff hist +127 Elementary Astronomy No edit summary
- 09:5809:58, 20 February 2012 diff hist +367 Periodic Table of the Elements No edit summary
- 09:5409:54, 20 February 2012 diff hist +40 Periodic Table of the Elements →Origins of Chemical Compounds
- 09:5209:52, 20 February 2012 diff hist −1 Periodic Table of the Elements →Origins of Chemical Compounds
- 09:5209:52, 20 February 2012 diff hist −17 Periodic Table of the Elements →Origins of Chemical Compounds
- 09:5109:51, 20 February 2012 diff hist 0 Periodic Table of the Elements →Origins of Chemical Compounds
- 09:5109:51, 20 February 2012 diff hist +86 Periodic Table of the Elements →Origins of Chemical Compounds
- 09:4909:49, 20 February 2012 diff hist +72 Periodic Table of the Elements →Origins of Elements
- 09:4709:47, 20 February 2012 diff hist +18 Periodic Table of the Elements →Origins of Elements
- 09:4609:46, 20 February 2012 diff hist +12 Periodic Table of the Elements →Elements
- 09:4509:45, 20 February 2012 diff hist +44 Periodic Table of the Elements →Elements
- 09:4409:44, 20 February 2012 diff hist +4 Periodic Table of the Elements →Elements
- 09:4209:42, 20 February 2012 diff hist +327 Periodic Table of the Elements No edit summary
- 09:3609:36, 20 February 2012 diff hist 0 Periodic Table of the Elements No edit summary
- 09:3609:36, 20 February 2012 diff hist 0 N File:Aminoacidsweb3.jpg No edit summary current
- 09:3309:33, 20 February 2012 diff hist −24 Periodic Table of the Elements No edit summary
- 09:3209:32, 20 February 2012 diff hist +131 Periodic Table of the Elements No edit summary
- 09:2709:27, 20 February 2012 diff hist +47 Periodic Table of the Elements →Water
- 09:2609:26, 20 February 2012 diff hist +276 Periodic Table of the Elements No edit summary
- 09:2209:22, 20 February 2012 diff hist −5 Periodic Table of the Elements →Origins of Elements
- 09:2109:21, 20 February 2012 diff hist +4 Periodic Table of the Elements →Origins of Elements
- 09:2009:20, 20 February 2012 diff hist −3 Periodic Table of the Elements →Origins of Elements
- 09:1809:18, 20 February 2012 diff hist +173 Periodic Table of the Elements No edit summary
- 09:1209:12, 20 February 2012 diff hist 0 N File:Water ocean compressed.jpg No edit summary current
- 09:1209:12, 20 February 2012 diff hist 0 N File:Supernova remnant velaweb3.jpg No edit summary current
- 09:1109:11, 20 February 2012 diff hist 0 N File:Stars m103 kpno big.jpg No edit summary current
- 09:1109:11, 20 February 2012 diff hist 0 N File:Starbirth nebula hs-2007-04-a-xlarge web.jpg No edit summary current
- 09:1109:11, 20 February 2012 diff hist 0 N File:Protoplanetary diskm42proplyds.jpg No edit summary current
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- 09:1009:10, 20 February 2012 diff hist 0 N File:Nebulae.jpg No edit summary current
- 09:1009:10, 20 February 2012 diff hist 0 File:Murchison crop.jpg uploaded a new version of "File:Murchison crop.jpg" current
- 09:1009:10, 20 February 2012 diff hist 0 File:Imilac-meteorite6494-cp.jpg uploaded a new version of "File:Imilac-meteorite6494-cp.jpg" current
- 09:0909:09, 20 February 2012 diff hist 0 N File:Fukang-full-lg.jpg No edit summary current
- 09:0909:09, 20 February 2012 diff hist 0 N File:Elements supernovae.jpg No edit summary current
- 09:0909:09, 20 February 2012 diff hist 0 N File:Elements knots dumbell nebula hs-2003-06-a-large web.jpg No edit summary current
- 09:0809:08, 20 February 2012 diff hist 0 N File:Elements dumbbell noao big.jpg No edit summary current
- 09:0809:08, 20 February 2012 diff hist 0 N File:Dna purines pyrimidines fig2.jpg No edit summary current
- 09:0809:08, 20 February 2012 diff hist 0 N File:Bok globule opo0613a.jpg No edit summary
- 09:0809:08, 20 February 2012 diff hist 0 N File:Atom2.jpg No edit summary current
- 09:0709:07, 20 February 2012 diff hist 0 N File:Aminoacidsweb3.gif No edit summary current
- 09:0709:07, 20 February 2012 diff hist −3 Periodic Table of the Elements →Elements
- 09:0609:06, 20 February 2012 diff hist +1 Periodic Table of the Elements No edit summary
- 09:0609:06, 20 February 2012 diff hist +70 Periodic Table of the Elements No edit summary
- 09:0409:04, 20 February 2012 diff hist +230 Periodic Table of the Elements No edit summary
- 08:4008:40, 20 February 2012 diff hist +46 Elementary Astronomy News Highlights No edit summary
- 08:3908:39, 20 February 2012 diff hist +133 N File:Mars 20120220 0655ut.jpg Mars Moore Observatory February 20, 2012 at 06:55 UTC 7-inch Questar Prosilica 3300 Video Sum of 100 frames at 0.01 second exposure current
- 08:3708:37, 20 February 2012 diff hist +282 Elementary Astronomy News Highlights No edit summary
- 08:2608:26, 20 February 2012 diff hist +11,235 N Periodic Table of the Elements Created page with " == Under Development == The chemical elements are the basic atoms, from which all chemical compounds are made. All chemical elements are listed in the Periodic Table of Ele..."
- 08:2408:24, 20 February 2012 diff hist +16,189 N We Can See the Universe Created page with "''Under Development'' WE CAN SEE THE UNIVERSE and begin to understand it If there's a clear night, look outside this week. Facing south, the sky should look much like the p..."
14 February 2012
- 22:5222:52, 14 February 2012 diff hist +381 Comets, Asteriods, Meteors, and Meteorites No edit summary
- 22:4622:46, 14 February 2012 diff hist +640 Comets, Asteriods, Meteors, and Meteorites No edit summary
- 20:3020:30, 14 February 2012 diff hist +22 Elementary Astronomy News Highlights →Week of February 13, 2012
- 20:2820:28, 14 February 2012 diff hist +224 Elementary Astronomy News Highlights →Week of February 13, 2012
- 18:1618:16, 14 February 2012 diff hist −14 Comets, Asteriods, Meteors, and Meteorites →Meteorites
13 February 2012
- 22:5822:58, 13 February 2012 diff hist +1 Elementary Astronomy No edit summary
- 22:5822:58, 13 February 2012 diff hist −14 Elementary Astronomy No edit summary
- 22:4722:47, 13 February 2012 diff hist +2 Elementary Astronomy No edit summary
- 22:4722:47, 13 February 2012 diff hist +143 Elementary Astronomy No edit summary
- 22:4222:42, 13 February 2012 diff hist −2 Comets, Asteriods, Meteors, and Meteorites →Jobs Concerning Meteorites and Asteroids
- 22:4222:42, 13 February 2012 diff hist +4 Comets, Asteriods, Meteors, and Meteorites →Jobs Concerning Meteorites and Asteroids
- 22:4122:41, 13 February 2012 diff hist −21 Comets, Asteriods, Meteors, and Meteorites →Jobs Concerning Meteorites and Asteroids
- 22:3522:35, 13 February 2012 diff hist −1 Comets, Asteriods, Meteors, and Meteorites →Meteors