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1081. APOD: 2015 March 4 - Pillars and Jets in the Pelican Nebula
... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2015 March 4 . Pillars and Jets in the Pelican Nebula . ... Explanation: What dark structures arise from the Pelican Nebula? Visible as a bird-shaped nebula toward the constellation of a bird ( Cygnus , the Swan), the Pelican Nebula is a place dotted with newly formed stars but fouled with dark dust. ... About APOD | ...
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Ссылки http://www.sai.msu.su/apod/ap150304.html -- 6.0 Кб -- 10.04.2016
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1082. APOD: 2015 March 3 - A Dust Devil on Mars
... 2015 March 3 . A Dust Devil on Mars . Image Credit: HiRISE , MRO , LPL (U. Arizona) , NASA . ... Tracking across the flat, dust-covered Amazonis Planitia in 2012, the core of this whirling dust devil is about 140 meters in diameter. ... Common to this region of Mars , dust devils occur as the surface is heated by the Sun, generating warm, rising air currents that begin to rotate. Tangential wind speeds of up to 110 kilometers per hour are reported for dust devils in other HiRISE images . ...
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Ссылки http://www.sai.msu.su/apod/ap150303.html -- 5.5 Кб -- 10.04.2016
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1083. APOD: 2015 March 2 - Lenticular Cloud, Moon, Mars, Venus
... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2015 March 2 . Lenticular Cloud, Moon, Mars, Venus . Image Credit Copyright: Nuno SerrЦo . Explanation: It is not every day that such an interesting cloud photobombs your image. ... During the next day, however, a spectacular lenticular cloud appeared before sunset, so the industrious astrophotographer quickly formulated a new plan. ...
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Ссылки http://www.sai.msu.su/apod/ap150302.html -- 6.1 Кб -- 10.04.2016
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1084. APOD: 2015 March 1 - Inside the Coma Cluster of Galaxies
... 2015 March 1 . Inside the Coma Cluster of Galaxies . ... The Coma Cluster of Galaxies pictured above is one of the densest clusters known - it contains thousands of galaxies . ... The above mosaic of images of a small portion of Coma was taken in unprecedented detail in 2006 by the Hubble Space Telescope to investigate how galaxies in rich clusters form and evolve. Most galaxies in Coma and other clusters are ellipticals , although some imaged here are clearly spirals. ... About APOD | ...
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Ссылки http://www.sai.msu.su/apod/ap150301.html -- 6.1 Кб -- 10.04.2016
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1085. APOD: 2015 February 28 - Moon-Venus-Mars Skyline
... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2015 February 28 . Moon-Venus-Mars Skyline . Image Credit Copyright : Jay Ouellet . Explanation: Taken on February 20, five different exposures made in rapid succession were used to created this tantalizing telephoto image. ... Shortly after sunset the young Moon shows off its bright crescent next to brilliant Venus. ... About APOD | ...
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Ссылки http://www.sai.msu.su/apod/ap150228.html -- 4.8 Кб -- 10.04.2016
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1086. APOD: 2015 February 27 - Long Lovejoy and Little Dumbbell
... 2015 February 27 . Long Lovejoy and Little Dumbbell . ... Explanation: Buffeted by the solar wind, Comet Lovejoy's crooked ion tail stretches over 3 degrees across this telescopic field of view, recorded on February 20 . The starry background includes awesome bluish star Phi Persei below, and pretty planetary nebula M76 just above Lovejoy's long tail. ... About APOD | ... NASA Official: Phillip Newman Specific rights apply . NASA Web Privacy Policy and Important Notices . ...
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Ссылки http://www.sai.msu.su/apod/ap150227.html -- 5.1 Кб -- 10.04.2016
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1087. APOD: 2015 February 26 - Love and War by Moonlight
... 2015 February 26 . Love and War by Moonlight . ... Explanation: Venus , named for the Roman goddess of love, and Mars , the war god's namesake, came together by moonlight in this lovely skyview, recorded on February 20 from Charleston, South Carolina, USA, planet Earth. ... Seen here within almost a Moon's width of Venus, much fainter Mars approached even closer on the following evening. ... About APOD | ... NASA Official: Phillip Newman Specific rights apply . ...
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Ссылки http://www.sai.msu.su/apod/ap150226.html -- 5.1 Кб -- 10.04.2016
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1088. APOD: 2015 February 25 - The Rosette Nebula in Hydrogen and Oxygen
... 2015 February 25 . The Rosette Nebula in Hydrogen and Oxygen . ... The stars in the energetic cluster , cataloged as NGC 2244 , are only a few million years old, while the central cavity in the Rosette Nebula , cataloged as NGC 2237, is about 50 light-years in diameter. The nebula can be seen firsthand with a small telescope toward the constellation of the Unicorn ( Monoceros ). Follow APOD on: Facebook , Google Plus , or Twitter . ... NASA Official: Phillip Newman Specific rights apply . ...
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Ссылки http://www.sai.msu.su/apod/ap150225.html -- 5.7 Кб -- 10.04.2016
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1089. APOD: 2015 February 24 - Unusual Plumes Above Mars
... 2015 February 24 . Unusual Plumes Above Mars . ... Noted and confirmed by a global contingent of amateur astronomers on photos of the red planet in March 2012, possibly similar plumes have now been found on archived images as far back as 1997. ... Amateur astronomers will surely continue to monitor the terminator and edge regions of Mars for new high plumes , and the armada of satellites orbiting Mars may be called upon to verify and study any newly reported plume that become visible. ...
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Ссылки http://www.sai.msu.su/apod/ap150224.html -- 6.0 Кб -- 10.04.2016
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1090. APOD: 2015 February 23 - The Milky Way Over the Arizona Toadstools
... 2015 February 23 . The Milky Way Over the Arizona Toadstools . ... Explanation: Which is older -- the rocks you see on the ground or the light you see from the sky? ... However, if you can see, through a telescope, a distant galaxy far across the universe -- further than Andromeda or spiral galaxy NGC 7331 (inset) -- then you are seeing light even more ancient. Featured here, the central disk of our Milky Way Galaxy arches over Toadstool hoodoos rock formations in northern Arizona , USA . ...
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Ссылки http://www.sai.msu.su/apod/ap150223.html -- 5.7 Кб -- 10.04.2016
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1091. APOD: 2015 February 22 - The Dark River to Antares
... 2015 February 22 . The Dark River to Antares . ... Explanation: Connecting the Pipe Nebula to the colorful region near bright star Antares is a dark cloud dubbed the Dark River , flowing from the picture's left edge. ... Surrounded by dust, Antares , a red supergiant star, creates an unusual bright yellowish reflection nebula . ... Globular star cluster M4 is just seen above and right of Antares , though it lies far behind the colorful clouds, at a distance of some 7,000 light-years. ...
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Ссылки http://www.sai.msu.su/apod/ap150222.html -- 5.7 Кб -- 10.04.2016
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1092. APOD: 2015 February 21 - 45 Days in the Sun
... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2015 February 21 . 45 Days in the Sun . ... And for 45 days, an old Antonov An-2 biplane stood still while the Sun rose and set. The camera's continuous exposure began about 20 days after the northern hemispere's winter solstice , so each day the Sun's trail arcs steadily higher through the sky. ... About APOD | ...
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Ссылки http://www.sai.msu.su/apod/ap150221.html -- 4.8 Кб -- 10.04.2016
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1093. APOD: 2015 February 20 - An Evening Sky Conjunction
... 2015 February 20 . An Evening Sky Conjunction . ... Explanation: Eight years ago, an evening sky held this lovely pairing of a young crescent Moon and brilliant Venus . ... And since every 8 years the Moon also nearly repeats its phases for a given time of year, a very similar crescent Moon-Venus conjunction will again appear in planet Earth's evening skies tonight . But the February 20, 2015 version of the conjunction will also include planet Mars . ... About APOD | ...
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Ссылки http://www.sai.msu.su/apod/ap150220.html -- 5.1 Кб -- 10.04.2016
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1094. APOD: 2015 February 19 - Palomar 12
... 2015 February 19 . Palomar 12 . Image Credit: ESA/Hubble , NASA . Explanation: Palomar 12 was not born here . The stars of the globular cluster, first identified in the Palomar Sky Survey , are younger than those in other globular star clusters that roam the halo of our Milky Way Galaxy . Palomar 12's position in our galaxy and measured motion suggest its home was once the Sagittarius Dwarf Elliptical Galaxy , a small satellite of the Milky Way. ... About APOD | ...
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Ссылки http://www.sai.msu.su/apod/ap150219.html -- 5.1 Кб -- 10.04.2016
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1095. APOD: 2015 February 18 - Dark Craters and Bright Spots Revealed on Asteroid
... 2015 February 18 . Dark Craters and Bright Spots Revealed on Asteroid Ceres . ... Explanation: What are those bright spots on asteroid Ceres? ... Sharper new images taken last week and released yesterday indicate, as expected, that most of the surface of dwarf planet Ceres is dark and heavily cratered like our Moon and the planet Mercury . ... The enigmatic spots were first noticed on Texas -sized Ceres a few weeks ago during Dawn's approach. ... About APOD | ...
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Ссылки http://www.sai.msu.su/apod/ap150218.html -- 5.6 Кб -- 10.04.2016
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1096. APOD: 2015 February 17 - Fibrils Flower on the Sun
... 2015 February 17 . Fibrils Flower on the Sun . ... Explanation: When does the Sun look like a flower? In a specific color of red light emitted by hydrogen, as featured here , some regions of the solar chromosphere may resemble a rose . The color-inverted image was taken in 2014 October and shows active solar region 2177 . ... In the central region many of these fibrils are seen end-on, while the surrounding regions are typically populated with curved fibrils. ... About APOD | ...
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Ссылки http://www.sai.msu.su/apod/ap150217.html -- 5.8 Кб -- 10.04.2016
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1097. APOD: 2015 February 16 - M106: A Spiral Galaxy with a Strange Center
... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2015 February 16 . M106: A Spiral Galaxy with a Strange Center . Image Credit: NASA , ESO , NAOJ , Giovanni Paglioli; Assembling and processing: R. Colombari and R. Gendler . Explanation: What's happening at the center of spiral galaxy M106? ... About APOD | ... NASA Official: Phillip Newman Specific rights apply . ...
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Ссылки http://www.sai.msu.su/apod/ap150216.html -- 5.9 Кб -- 10.04.2016
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1098. APOD: 2015 February 15 - Two Hours Before Neptune
... 2015 February 15 . Two Hours Before Neptune . Image Credit: Voyager 2, NASA . Explanation: Two hours before closest approach to Neptune in 1989, the Voyager 2 robot spacecraft snapped this picture . Clearly visible for the first time were long light-colored cirrus -type clouds floating high in Neptune's atmosphere . ... Speculation holds that diamonds may be created in the dense hot conditions that exist under the cloud tops of Uranus and Neptune . ... About APOD | ...
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Ссылки http://www.sai.msu.su/apod/ap150215.html -- 5.9 Кб -- 10.04.2016
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1099. APOD: 2015 February 14 - Solar System Portrait
... 2015 February 14 . Solar System Portrait . Image Credit: Voyager Project , NASA . Explanation: On another Valentine's Day 25 years ago, cruising four billion miles from the Sun, the Voyager 1 spacecraft looked back one last time to make this first ever Solar System family portrait . ... In it, Voyager's wide angle camera frames sweep through the inner Solar System at the left, linking up with gas giant Neptune, the Solar System's outermost planet, at the far right. ... About APOD | ...
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Ссылки http://www.sai.msu.su/apod/ap150214.html -- 5.4 Кб -- 10.04.2016
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1100. APOD: 2015 February 13 - Aurora on Ice
... 2015 February 13 . Aurora on Ice . ... Explanation: Not from a snowglobe, this expansive fisheye view of ice and sky was captured on February 1, from J kuls rl n Beach , southeast Iceland, planet Earth. Chunks of glacial ice on the black sand beach glisten in the light of a nearly full moon surrounded by a shining halo . ... Despite the bright moonlight, curtains of aurora still dance through the surreal scene. ... About APOD | ... NASA Official: Phillip Newman Specific rights apply . ...
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Ссылки http://www.sai.msu.su/apod/ap150213.html -- 4.8 Кб -- 10.04.2016
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