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2081. APOD: 2009 April 18 - NGC 1333 Stardust
... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2009 April 18 . NGC 1333 Stardust . ... Explanation: NGC 1333 is seen in visible light as a reflection nebula , dominated by bluish hues characteristic of starlight reflected by dust. ... In fact, NGC 1333 contains hundreds of stars less than a million years old, most still hidden from optical telescopes by the pervasive stardust . ...
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Ссылки http://www.sai.msu.su/apod/ap090418.html -- 5.9 Кб -- 28.02.2014
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2082. APOD: 2009 April 17 - Medieval Astronomy from Melk Abbey
... 2009 April 17 . Medieval Astronomy from Melk Abbey . ... Copyright: Library of Melk Abbey, Frag. ... Explanation: Discovered by accident, this manuscript page provides graphical insight to astronomy in medieval times, before the Renaissance and the influence of Nicolaus Copernicus , Tycho de Brahe , Johannes Kepler , and Galileo . The intriguing page is from lecture notes on astronomy compiled by the monk Magister Wolfgang de Styria before the year 1490 at Melk Abbey in Austria. ...
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Ссылки http://www.sai.msu.su/apod/ap090417.html -- 6.4 Кб -- 28.02.2014
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2083. APOD: 2009 April 16 - Castle and Full Moon
... 2009 April 16 . Castle and Full Moon . ... Explanation: Clouds couldn't hide this bright Full Moon as it rose last week over the medieval castle of Tourrette-Levens near Nice, France. Exactly full on April 9 at 1456 UT, it followed the March equinox , making it the first Full Moon of spring in the north and autumn in the southern hemisphere. Known as the Easter Moon, it fixes the date for the celebration of Easter on the first Sunday after the first Full Moon of northern spring. ...
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Ссылки http://www.sai.msu.su/apod/ap090416.html -- 5.5 Кб -- 28.02.2014
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2084. APOD: 2009 April 11 - The Big Picture
... 2009 April 11 . The Big Picture . ... Explanation: Intricate, glowing nebulae that shine in planet Earth's night sky are beautiful to look at in deep images made with telescopes and sensitive cameras. ... With a total exposure time of 40 hours, the painstaking mosaic presents a nebula-rich expanse known as the Orion-Eridanus Superbubble above a house in suburban Boston, USA. ... A version of the big picture that includes simple constellation guidelines is available here . ... About APOD | ...
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Ссылки http://www.sai.msu.su/apod/ap090411.html -- 6.2 Кб -- 28.02.2014
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2085. APOD: 2009 April 10 - ISS and Astronaut
... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2009 April 10 . ISS and Astronaut . ... Astronomer Ralf Vandebergh, who often images the ISS during its favorable passes through Dutch skies, comments that no other bright ISS structures occupy the position indicated in the inset, and that a reflective, white-suited astronaut would be visible against the truss and correspond to the bright blur. ...
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Ссылки http://www.sai.msu.su/apod/ap090410.html -- 6.2 Кб -- 28.02.2014
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2086. APOD: 2009 April 9 - Venus Near Inferior Conjunction
... 2009 April 9 . Venus Near Inferior Conjunction . ... Explanation: This remarkable picture of a slender crescent Venus was made during daylight hours on March 26. Venus was then very near inferior conjunction , its closest approach to a point on a line directly between Earth and the Sun . ... Near inferior conjunction , Venus is closest to us and at its largest apparent size , but Venus is also strongly backlit by sunlight, presenting its night side partially outlined by a narrow crescent. ...
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Ссылки http://www.sai.msu.su/apod/ap090409.html -- 6.1 Кб -- 28.02.2014
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2087. APOD: 2009 August 15 - Meteor by Moonlight
... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2009 August 15 . Meteor by Moonlight . ... Explanation: Dark skies are favored for viewing meteor showers. But the annual Perseid Meteor Shower still entertained skygazers around the world this week even though the Moon brightened the night. ... About APOD | ... NASA Official: Phillip Newman Specific rights apply . ...
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Ссылки http://www.sai.msu.su/apod/ap090815.html -- 5.7 Кб -- 28.02.2014
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2088. APOD: 2009 March 30 - Possible Mud Volcanoes on Mars
... 2009 March 30 . Possible Mud Volcanoes on Mars . Credit: HiRISE , MRO , LPL (U. Arizona) , NASA . Explanation: Is this a mud volcano on Mars? ... First of all, hills like this seem to better resemble mud volcanoes on Earth than lava volcanoes and impact craters on Mars. ... Infrared images from space indicate that hills like this cool more quickly than surrounding rock, consistent with a dried mud composition. ... About APOD | ... NASA Official: Phillip Newman Specific rights apply . ...
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Ссылки http://www.sai.msu.su/apod/ap090330.html -- 6.5 Кб -- 28.02.2014
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2089. APOD: 2009 March 29 - Signals of a Strange Universe
... 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 29 . Signals of a Strange Universe . ... Such claims were not usually popular with astronomers, though, because lambda is so unlike known universe components , because lambda's value appeared limited by other observations, and because less- strange cosmologies without lambda had previously done well in explaining the data. ...
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Ссылки http://www.sai.msu.su/apod/ap090329.html -- 6.9 Кб -- 28.02.2014
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2090. APOD: 2009 March 28 - Almahata Sitta 15
... 2009 March 28 . Almahata Sitta 15 . Credit Copyright : Peter Jenniskens (SETI Institute/NASA Ames) . Explanation: Small asteroid 2008 TC3 fell to Earth at dawn on October 7, 2008, tracking through the skies over the Nubian Desert in northern Sudan. ... The team ultimately collected some 280 small meteorites , now called Almahata Sitta, with a total mass of about 5 kilograms -- the first material recovered from a known asteroid . ... About APOD | ... A service of: ASD at NASA / GSFC . ...
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Ссылки http://www.sai.msu.su/apod/ap090328.html -- 6.4 Кб -- 28.02.2014
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2091. APOD: 2009 March 27 - The Seagull 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 27 . The Seagull Nebula . ... Explanation: Images from two different cameras, a digital SLR and an astronomical CCD camera, are combined in this color starscape. Both cameras made use of the same telescope at the oceanside Winter Star Party in the Florida Keys, appropriately creating this portrait of the Seagull Nebula . ...
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Ссылки http://www.sai.msu.su/apod/ap090327.html -- 6.0 Кб -- 28.02.2014
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2092. APOD: 2009 March 26 - Stars Young and Old
... 2009 March 26 . Stars Young and Old . ... Explanation: Galactic or open star clusters are relatively young. ... This bright open cluster, known as M46 , is around 300 million years young and still contains a few hundred stars within its span of 30 light-years or so. ... In fact, old NGC 2438 is estimated to be only 3,000 light-years distant and moves at a different speed than M46 cluster members. ... About APOD | ... NASA Official: Phillip Newman Specific rights apply . ...
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Ссылки http://www.sai.msu.su/apod/ap090326.html -- 6.1 Кб -- 28.02.2014
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2093. APOD: 2009 March 25 - Orcus of the Outer Solar System
Discover the cosmos! ... 2009 March 25 . Orcus of the Outer Solar System . ... Explanation: A newly discovered object in the outer Solar System moves like an anti-Pluto. ... Orcus and Pluto have similar orbits: each achieves nearly the same maximum and minimum distances from the Sun, each orbits on a similarly shaped ellipse, and each orbital ellipse is tilted toward the other planets' orbital ellipse by roughly the same angle. ... About APOD | ... NASA Web Privacy Policy and Important Notices . ...
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Ссылки http://www.sai.msu.su/apod/ap090325.html -- 6.9 Кб -- 28.02.2014
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2094. APOD: 2009 March 24 - Martian Dunes and the Shadow of Opportunity
... 2009 March 24 . Martian Dunes and the Shadow of Opportunity . Credit: Mars Exploration Rover Mission , JPL , NASA . ... Both Opportunity and its sister rover Spirit are in their sixth year on Mars , exploring the red planet for years longer than original expectations. ... Visible are parallel rover tracks , rippling sand dunes , light-colored bedrock protrusions , metallic rover parts , and the dark shadow of the sometimes-artistic robotic photographer. ... About APOD | ...
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Ссылки http://www.sai.msu.su/apod/ap090324.html -- 6.4 Кб -- 28.02.2014
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2095. APOD: 2009 March 23 - The Seahorse of the Large Magellanic Cloud
... 2009 March 23 . The Seahorse of the Large Magellanic Cloud . Credit: NASA , ESA , and M. Livio ( STScI ) . Explanation: It may look like a grazing seahorse , but the dark object toward the image right is actually a pillar of smoky dust about 20 light years long. The curiously-shaped dust structure occurs in our neighboring Large Magellanic Cloud , in a star forming region very near the expansive Tarantula Nebula . ... About APOD | ... NASA Web Privacy Policy and Important Notices . ...
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Ссылки http://www.sai.msu.su/apod/ap090323.html -- 6.4 Кб -- 28.02.2014
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2096. APOD: 2009 March 22 - Sungrazer
... 2009 March 22 . Sungrazer . Credit: LASCO , SOHO Consortium , NRL , ESA , NASA . Explanation: The Sun destroyed this comet. Arcing toward a fiery fate, this Sungrazer comet was recorded by the SOHO spacecraft's Large Angle Spectrometric COronagraph (LASCO) on 1996 Dec. ... Positioned in space to continuously observe the Sun, SOHO has now been used to discover over 1,500 comets , including numerous sungrazers . ... This comet, known as SOHO 6 , did not survive . ... About APOD | ...
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Ссылки http://www.sai.msu.su/apod/ap090322.html -- 6.9 Кб -- 28.02.2014
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2097. APOD: 2009 March 20 - Sunset at the Portara
... 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 20 . Sunset at the Portara . ... Explanation: Today, the Sun crosses the celestial equator heading north at 11:44 UT . Known as an equinox, this astronomical event marks the first day of spring in the northern hemisphere and autumn in the south. ... About APOD | ... NASA Official: Phillip Newman Specific rights apply . ...
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Ссылки http://www.sai.msu.su/apod/ap090320.html -- 6.1 Кб -- 28.02.2014
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2098. APOD: 2009 March 19 - Saturn: Moons in Transit
... 2009 March 19 . Saturn: Moons in Transit . Credit: NASA , ESA , Hubble Heritage Team (STScI/AURA) . ... But it does provide the opportunity to watch multiple transits of Saturn's moons. ... Recorded on February 24, this Hubble image is part of a sequence showing the transit of four of Saturn's moons. From left to right are Enceladus and shadow , Dione and shadow , and Saturn's largest moon Titan . Small moon Mimas is just touching Saturn's disk near the ring plane at the far right. ...
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Ссылки http://www.sai.msu.su/apod/ap090319.html -- 5.9 Кб -- 28.02.2014
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2099. APOD: 2009 March 18 - GLOBE at Night: Help Track Light Pollution
... 2009 March 18 . GLOBE at Night: Help Track Light Pollution . Credit Copyright: Globe at Night Project, UCAR , International Year of Astronomy 2009 . ... Rather than count Orion's stars directly, however, the GLOBE at Night website has made things easier by providing several star charts to which you can compare your view of Orion . ... By participating in this easy and fun activity, you are helping humanity to better understand how light pollution is changing across the Earth. ... About APOD | ...
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Ссылки http://www.sai.msu.su/apod/ap090318.html -- 6.5 Кб -- 28.02.2014
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2100. APOD: 2009 March 17 - Tycho's Supernova Remnant
... 2009 March 17 . Tycho's Supernova Remnant . Credit: X-ray: NASA / CXC / SAO ; Infrared: NASA/JPL-Caltech ; Optical: MPIA, Calar Alto , O. Krause et al. ... Pictured above is the best multi-wavelength image yet of Tycho's supernova remnant , the result of a stellar explosion first recorded over 400 years ago by the famous astronomer Tycho Brahe . ... Finding progenitor remnants of Tycho's supernova is particularly important because the supernova was recently determined to be of Type Ia. ...
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Ссылки http://www.sai.msu.su/apod/ap090317.html -- 6.9 Кб -- 28.02.2014
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