Astronomy Picture of the Day
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Most recent sizable change (text, html) : 2013-05-24 00:07
Most recent change (text, html) : 2013-05-24 00:07
Last checked for changes: 2013-05-24 00:07
ChangeDetection started monitoring: 2008-01-14 00:07
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summary of most recent changes
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View changes:
2013-05-24 00:07
143 new words, 157 deleted words, 68% change
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... astronomer. 2013 May 23 24 Messier 109 Caterpillar Moon Image Credit & Copyright : Bob Franke Joerg Kopplin Explanation: Beautiful barred spiral galaxy ... , 109th entry A close series of consecutive exposures are combined in Charles Messier's famous catalog this intriguing composite of bright the Full Moon slowly crawling, Nebulae across the sky . ... right at 19:42 UT and Star Clusters ending at 22:14 UT on April 25 ...
astronomer. 2013 May 24 Caterpillar Moon Image Credit & Copyright : Joerg Kopplin Explanation: A close series of consecutive exposures are combined in this intriguing composite of the Full Moon slowly crawling, across the sky . ... right at 19:42 UT and ending at 22:14 UT on April 25 , ... the sequence follows the Moon ... passes through Earth's shadow in a partial lunar eclipse. Near the top, ... the Moon just grazes ...
astronomer. 2013 May 23 Messier 109 Image Credit & Copyright : Bob Franke Explanation: Beautiful barred spiral galaxy ... , 109th entry in Charles Messier's famous catalog of bright Nebulae and Star Clusters , is found just below the Big Dipper's bowl in ... the northern constellation Ursa Major. In telescopic views, its striking central bar gives the galaxy the appearance of the Greek letter " ... small angle in planet ...
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2013-05-23 00:07
167 new words, 163 deleted words, 71% change
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... astronomer. 2013 May 22 23 Red Sprite Lightning with Aurora Messier 109 Image Credit & Copyright: Walter Lyons Bob Franke ( FMA Research Explanation: Beautiful barred spiral ), galaxy M109 WeatherVideoHD.TV , 109th entry ... Nebulae and Star Clusters Explanation: What's that , is found just ... the Big Dipper's bowl in the sky? It is a rarely seen form northern constellation Ursa Major ... the galaxy the appearance ...
astronomer. 2013 May 23 Messier 109 Image Credit & Copyright: Bob Franke Explanation: Beautiful barred spiral galaxy M109 , 109th entry ... Nebulae and Star Clusters , is found just ... the Big Dipper's bowl in the northern constellation Ursa Major ... the galaxy the appearance of the Greek letter " ... ", θ, a common mathematical symbol representing an angle. Of course M109 spans a very small angle in planet Earth's sky ...
astronomer. 2013 May 22 Red Sprite Lightning with Aurora Image Credit & Copyright: Walter Lyons ( FMA Research ), WeatherVideoHD.TV Explanation: What's that in the sky? It is a rarely seen form of lightning confirmed only about 25 years ago: a red sprite . Recent research has shown that following a powerful positive cloud-to-ground lightning strike, red sprites may start as 100- ... about 80-km high at ...
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2013-05-22 00:07
158 new words, 205 deleted words, 73% change
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... astronomer. 2013 May 21 22 The Red Rectangle Nebula from Hubble Sprite Lightning with Aurora Image Credit& Copyright: ESA Walter Lyons , ( Hubble FMA Research , ), NASA WeatherVideoHD.TV ; Reprocessing: Steven ... , Hubble Legacy Archive Explanation: How was What's that in the unusual Red Rectangle nebula createdsky? At the nebula's center It is an aging a rarely seen form ... years ago: a binary star system ...
astronomer. 2013 May 22 Red Sprite Lightning with Aurora Image Credit& Copyright: Walter Lyons ( FMA Research ), WeatherVideoHD.TV Explanation: What's that in the sky? It is a rarely seen form ... years ago: a red sprite . Recent research has shown that following a powerful positive cloud-to-ground lightning strike, red sprites may start as 100-meter balls of ionized air that shoot down from ... high at 10 percent ...
astronomer. 2013 May 21 The Red Rectangle Nebula from Hubble Image Credit... : ESA , Hubble , NASA ; Reprocessing: Steven ... , Hubble Legacy Archive Explanation: How was the unusual Red Rectangle nebula created? At the nebula's center is an aging binary star system that surely powers the nebula ... unusual shape of the Red Rectangle is likely due to ... pinches the otherwise spherical outflow into tip-touching ...
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2013-05-21 00:07
207 new words, 139 deleted words, 72% change
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... astronomer. 2013 May 20 21 Blue Sun Bursting The Red Rectangle Nebula from Hubble Image Credit & : Copyright ESA , Hubble , NASA ; Reprocessing: Alan Friedman Steven Marx ( , Averted Imagination Hubble Legacy Archive ) Explanation: Our Sun How was the unusual ... At the nebula's center is an aging binary star ... the nebula but does not a giant blueberry, as yet, explain its colors. Our Sun can be made to ...
astronomer. 2013 May 21 The Red Rectangle Nebula from Hubble Image Credit : ESA , Hubble , NASA ; Reprocessing: Steven Marx , Hubble Legacy Archive Explanation: How was the unusual ... At the nebula's center is an aging binary star ... the nebula but does not , as yet, explain its colors. The unusual shape of the Red Rectangle is likely due to a thick dust torus which pinches the otherwise spherical outflow ...
astronomer. 2013 May 20 Blue Sun Bursting Image Credit & Copyright : Alan Friedman ( Averted Imagination ) Explanation: Our Sun is ... not a giant blueberry. Our Sun can be made to appear similar to ... the diminutive fruit , however, by imaging it in a specific color of extreme violet light ... that is emitted by the very slight abundance of ionized Calcium in the Sun's atmosphere , and then false color-inverting the image...
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View changes:
2013-05-20 00:07
149 new words, 145 deleted words, 70% change
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... astronomer. 2013 May 19 20 Earth's Richat Structure Blue Sun Bursting Image Credit: & NASA Copyright / : GSFC Alan Friedman / ( METI Averted Imagination / ) Japan Space Systems , ... Japan ASTER Science Team Explanation: What on Earth Our Sun is that? The not a giant blueberry ... can be made to Richat Structure appear similar in to the Sahara Desert diminutive fruit , however ... in a specific color ...
astronomer. 2013 May 20 Blue Sun Bursting Image Credit& Copyright : Alan Friedman ( Averted Imagination ) Explanation: Our Sun is not a giant blueberry ... can be made to appear similar to the diminutive fruit , however ... in a specific color of extreme violet light called CaK that is emitted by the very ... ionized Calcium in the Sun's atmosphere , and then false color-inverting the image. This solar depiction ...
astronomer. 2013 May 19 Earth's Richat Structure Image Credit: NASA / GSFC / METI / Japan Space Systems , ... Japan ASTER Science Team Explanation: What on Earth is that? The Richat Structure in the Sahara Desert of Mauritania is easily visible from space ... thought to be an impact crater , ... the Richat Structure 's flat middle and lack of shock-altered rock indicates otherwise. The possibility that the ...
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