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2141. APOD: 2009 March 1 - Omega Centauri: The Largest Nearby Globular Cluster
... 2009 March 1 . Omega Centauri: The Largest Nearby Globular Cluster . ... Explanation: This huge ball of stars predates our Sun. ... Of the 200 or so globular clusters that survive today, Omega Centauri is the largest, containing over ten million stars. ... Unlike many other globular clusters , the stars in Omega Centauri show several different ages and trace chemical abundances, indicating that the globular star cluster has a complex history over its 12 billion year age. ... About APOD | ...
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Ссылки http://www.sai.msu.su/apod/ap090301.html -- 6.2 Кб -- 28.02.2014
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2142. APOD: 2009 February 24 - Barnard's Loop around the Horsehead Nebula
... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2009 February 24 . Barnard's Loop around the Horsehead Nebula . ... Although hard to make out, the famous Horsehead Nebula is the slight dark indentation in the bright streak just to the left of the image center. Glowing like an emission nebula , the origin of the bubble , known as Barnard's Loop , is currently unknown. ... About APOD | ...
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Ссылки http://www.sai.msu.su/apod/ap090224.html -- 6.4 Кб -- 28.02.2014
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2143. APOD: 2009 February 21 - The Swift View of Comet Lulin
... 2009 February 21 . The Swift View of Comet Lulin . Credit: NASA , Swift , Univ. ... But the comet's greenish glow , familiar to earthbound skygazers , is replaced by false colors in this premier view from the orbiting Swift satellite . ... The result maps remarkable x-ray emission on the comet's sunward side as incoming solar wind ions interact with gases in the swollen coma . It also shows substantial ultraviolet emission opposite the Sun, in the direction of motion and the comet's tail. ...
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Ссылки http://www.sai.msu.su/apod/ap090221.html -- 6.5 Кб -- 28.02.2014
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2144. APOD: 2009 February 17 - Unusual Red Glow Over Minnesota
... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2009 February 17 . Unusual Red Glow Over Minnesota . ... When landing in Minneapolis , Minnesota , USA in 2002, just before his flight ascended above cloud level in the early evening, passenger Tyler Blessing saw and photographed "huge curved sheets of glowing light extending from cloud to ground." ... About APOD | ...
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Ссылки http://www.sai.msu.su/apod/ap090217.html -- 6.5 Кб -- 28.02.2014
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2145. APOD: 2009 February 7 - Comet Lulin Tails
... 2009 February 7 . Comet Lulin Tails . ... Recent changes in Lulin's lovely greenish coma and tails are featured in this two panel comparison of images taken on January 31st (top) and February 4th. ... Extending to the right of the coma, away from the Sun, is the beautiful ion tail . Remarkably, as captured in the bottom panel, Comet Lulin's ion tail became disconnected on February 4, likely buffeted and torn away by magnetic fields in the solar wind . ... Comet tails can grow back. ...
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Ссылки http://www.sai.msu.su/apod/ap090207.html -- 6.2 Кб -- 28.02.2014
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2146. APOD: 2009 January 19 - Methane Discovered in the Atmosphere of Mars
Discover the cosmos! ... 2009 January 19 . Methane Discovered in the Atmosphere of Mars . Credit: NASA . ... The confirmation was made spectroscopically using large ground - based telescopes by finding precise colors absorbed on Mars that match those absorbed by methane on Earth. Given that methane is destroyed in the open martian air in a matter of years, the present existence of the fragile gas indicates that it is currently being released, somehow, from the surface of Mars. ...
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Ссылки http://www.sai.msu.su/apod/ap090119.html -- 6.6 Кб -- 28.02.2014
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2147. APOD: 2009 January 18 - Saturn's Hyperion: A Moon with Odd Craters
... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2009 January 18 . Saturn's Hyperion: A Moon with Odd Craters . Credit: Cassini Imaging Team , SSI , JPL , ESA , NASA . Explanation: What lies at the bottom of Hyperion 's strange craters? ... That image, shown above in false color, shows a remarkable world strewn with strange craters and a generally odd surface . ... About APOD | ...
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Ссылки http://www.sai.msu.su/apod/ap090118.html -- 6.2 Кб -- 28.02.2014
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2148. APOD: 2009 April 1 - Astronauts Head Upgraded During Spacewalk
... 2009 April 1 . Astronaut's Head Upgraded During Spacewalk . Credit: NASA . ... Now, as part of the planned upgrade of the International Space Station , an Expedition 18 astronaut has upgraded her own head. The Human Extended Analog Device 9000 was attached with only minor delays, making the astronaut's remaining spacewalk s over 40 percent more efficient. ... Happy April Fools' Day from the folks at APOD . ... About APOD | ... NASA Official: Phillip Newman Specific rights apply . ...
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Ссылки http://www.sai.msu.su/apod/ap090401.html -- 6.6 Кб -- 28.02.2014
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2149. APOD: 2009 March 6 - Crescent Moon and Venus
... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2009 March 6 . Crescent Moon and Venus . ... Explanation: Last Friday, the Moon and Venus shared the early evening sky in a beautiful conjunction. ... This telescopic image of Friday's conjunction shows off the similar crescent phases , with the tiny crescent Venus at the upper right. ... About APOD | ... A service of: ASD at NASA / GSFC . ...
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Ссылки http://www.sai.msu.su/apod/ap090306.html -- 5.5 Кб -- 28.02.2014
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2150. APOD: 2009 March 2 - Earthgrazer: The Great Daylight Fireball of 1972
... 2009 March 2 . Earthgrazer: The Great Daylight Fireball of 1972 . ... A bright earthgrazing meteor. In 1972, an unusually bright meteor from space was witnessed bouncing off Earth's atmosphere, much like a skipping stone can bounce off of a calm lake. ... The Great Daylight Fireball of 1972 was possibly the size of a small truck, and would likely have created an impressive airburst were it to have struck Earth more directly. ... About APOD | ...
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Ссылки http://www.sai.msu.su/apod/ap090302.html -- 6.7 Кб -- 28.02.2014
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2151. APOD: 2009 February 28 - NGC 2442: Galaxy in Volans
... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2009 February 28 . NGC 2442: Galaxy in Volans . ... Explanation: Distorted galaxy NGC 2442 can be found in the southern constellation of the flying fish , (Piscis) Volans . ... The two interacting galaxies are separated by about 150,000 light-years at the estimated distance of NGC 2442 . Tomorrow's picture: star ball . ... About APOD | ...
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Ссылки http://www.sai.msu.su/apod/ap090228.html -- 5.9 Кб -- 28.02.2014
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2152. APOD: 2009 February 26 - Moon, Mercury, Jupiter, Mars
... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2009 February 26 . Moon, Mercury, Jupiter, Mars . ... Explanation: When the Moon rose in predawn skies on February 23rd, it sported a sunlit crescent. ... Along with the waning crescent Moon , the picture captures (top to bottom) bright Mercury , Jupiter , and Mars . ... About APOD | ... NASA Official: Phillip Newman Specific rights apply . ...
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Ссылки http://www.sai.msu.su/apod/ap090226.html -- 5.7 Кб -- 28.02.2014
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2153. APOD: 2009 February 20 - Snake in the Dark
... 2009 February 20 . Snake in the Dark . ... Explanation: Dark nebulae snake across a gorgeous expanse of stars in this telescopic view toward the pronounceable constellation Ophiuchus and the center of our Milky Way Galaxy. ... Unlike bright emission nebulae and star clusters, Barnard's nebulae are interstellar dark clouds of obscuring gas and dust. ... Many of Barnard's dark nebulae are themselves likely sites of future star formation. Barnard 72 is about 650 light years away. ... About APOD | ...
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Ссылки http://www.sai.msu.su/apod/ap090220.html -- 6.2 Кб -- 28.02.2014
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2154. APOD: 2009 February 18 - Satellites Collide in Low Earth Orbit
... 2009 February 18 . Satellites Collide in Low Earth Orbit . ... Explanation: How often do satellites collide? Although minuscule space debris may strike any satellite on occasion, the first known collision between time two full satellites occurred only last week. ... The collision occurred in low Earth orbit only 750 kilometers up, a height shared by many satellites but significantly higher than the 350-km high human-occupied International Space Station . ... About APOD | ...
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Ссылки http://www.sai.msu.su/apod/ap090218.html -- 6.7 Кб -- 28.02.2014
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2155. APOD: 2009 January 17 - IC 410 and NGC 1893
... 2009 January 17 . IC 410 and NGC 1893 . ... Explanation: Dusty emission nebula IC 410 lies about 12,000 light-years away in the northern constellation Auriga . The cloud of glowing gas is over 100 light-years across, sculpted by stellar winds and radiation from embedded open star cluster NGC 1893. ... Emission from sulfur atoms is shown in red, hydrogen atoms in green, and oxygen in blue hues in this false-color , narrow band composite image . ... About APOD | ...
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Ссылки http://www.sai.msu.su/apod/ap090117.html -- 5.8 Кб -- 28.02.2014
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2156. APOD: 2009 April 4 - Star Party on Planet Earth
... 2009 April 4 . Star Party on Planet Earth . ... Explanation: As twilight sweeps around planet Earth tonight (April 4), many amateur astronomers will set up their telescopes for a 24-hour global star party. The planetwide star party is part of 100 Hours of Astronomy (100HA) , a project of the International Year of Astronomy 2009. ... About APOD | ... NASA Official: Phillip Newman Specific rights apply . NASA Web Privacy Policy and Important Notices . A service of: ASD at NASA / GSFC . ...
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Ссылки http://www.sai.msu.su/apod/ap090404.html -- 5.8 Кб -- 28.02.2014
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2157. APOD: 2009 April 2 - 100 Hours of Astronomy Begins
... 2009 April 2 . 100 Hours of Astronomy Begins . ... Explanation: Today, 100 Hours of Astronomy begins, a cornerstone project of the International Year of Astronomy 2009 celebrating the 400th anniversary of Galileo's original telescopic exploration of the sky. Running from April 2 through April 5, many different public programs are planned worldwide as part of the project, starting with today's opening event at the Franklin Institute in Philadelphia. ... About APOD | ...
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Ссылки http://www.sai.msu.su/apod/ap090402.html -- 6.3 Кб -- 28.02.2014
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2158. APOD: 2009 March 5 - IC 5146: The Cocoon Nebula
... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2009 March 5 . IC 5146: The Cocoon Nebula . ... Explanation: Inside the Cocoon Nebula is a newly developing cluster of stars. ... Like other star forming regions, it stands out in red, glowing, hydrogen gas excited by young, hot stars and blue, dust-reflected starlight at the edge of an otherwise invisible molecular cloud . ... About APOD | ...
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Ссылки http://www.sai.msu.su/apod/ap090305.html -- 6.0 Кб -- 28.02.2014
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2159. APOD: 2009 March 3 - The Helix Nebula from La Silla Observatory
... 2009 March 3 . The Helix Nebula from La Silla Observatory . ... The Helix Nebula is one of brightest and closest examples of a planetary nebula , a gas cloud created at the end of the life of a Sun-like star. The outer gasses of the star expelled into space appear from our vantage point as if we are looking down a helix . ... A close-up of the inner edge of the Helix Nebula shows complex gas knots of unknown origin . ... About APOD | ... NASA Official: Phillip Newman Specific rights apply . ...
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Ссылки http://www.sai.msu.su/apod/ap090303.html -- 7.1 Кб -- 28.02.2014
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2160. APOD: 2009 February 27 - Lulin and Saturn near Opposition
... 2009 February 27 . Lulin and Saturn near Opposition . ... Explanation: Tracking through the constellation Leo on February 23rd, bright planet Saturn and Comet Lulin were both near opposition -- opposite the Sun in planet Earth's sky. ... Comet Lulin was near its closest approach to planet Earth at the time, at a distance of some 61 million kilometers, but was orbiting in the opposite direction. ... About APOD | ... NASA Official: Phillip Newman Specific rights apply . ...
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Ссылки http://www.sai.msu.su/apod/ap090227.html -- 6.0 Кб -- 28.02.2014
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