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На этой странице приведены все страницы сервера www.sai.msu.su ,которые мы индексируем. Показаны документы 2061 - 2080 из 11449.
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2061. APOD: 2009 June 5 - Stars and Dust Across Corona Australis
... 2009 June 5 . Stars and Dust Across Corona Australis . ... Explanation: Cosmic dust clouds sprawl across a rich field of stars in this sweeping telescopic vista near the northern boundary of Corona Australis , the Southern Crown. ... The smaller yellowish nebula (NGC 6729) surrounds young variable star R Coronae Australis . ... While NGC 6723 appears to be part of the group, it actually lies nearly 30,000 light-years away, far beyond the Corona Australis dust clouds. ... About APOD | ...
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Ссылки http://www.sai.msu.su/apod/ap090605.html -- 6.0 Кб -- 28.02.2014
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2062. APOD: 2009 June 4 - Sunspots on a Cloudy Day
... 2009 June 4 . Sunspots on a Cloudy Day . ... In fact, the roughly 11-year solar activity cycle is still in a surprisingly deep minimum and the years 2008 and 2009 have had the lowest sunspot counts since the 1950s. Even the latest prediction is that the new cycle, Solar Cycle 24, will reach a maximum in May 2013 with a below-average sunspot count. The Solar Cycle 24 sunspots recorded here are in active region AR 1019. ... About APOD | ... NASA Official: Phillip Newman Specific rights apply . ...
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Ссылки http://www.sai.msu.su/apod/ap090604.html -- 5.6 Кб -- 28.02.2014
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2063. APOD: 2009 May 29 - Messier 106
... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. ... Messier 106 . ... Modern deep telescopic views reveal it to be an island universe -- a spiral galaxy around 30 thousand light-years across located only about 21 million light-years beyond the stars of the Milky Way. ... M106 (aka NGC 4258) is a nearby example of the Seyfert class of active galaxies, seen across the spectrum from radio to x-rays. ...
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Ссылки http://www.sai.msu.su/apod/ap090529.html -- 6.5 Кб -- 28.02.2014
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2064. APOD: 2009 May 30 - A Beautiful Trifid
... 2009 May 30 . A Beautiful Trifid . ... Explanation: The beautiful Trifid Nebula is a colorful study in cosmic contrasts. ... A star forming region in the plane of our galaxy, the Trifid illustrates three different types of astronomical nebulae; red emission nebulae dominated by light emitted by hydrogen atoms, blue reflection nebulae produced by dust reflecting starlight, and dark nebulae where dense dust clouds appear in silhouette. ... About APOD | ... A service of: ASD at NASA / GSFC . ...
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Ссылки http://www.sai.msu.su/apod/ap090530.html -- 5.9 Кб -- 28.02.2014
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2065. APOD: 2009 May 28 - Moon in the Mullica
... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2009 May 28 . Moon in the Mullica . ... Explanation: Still waters mimic a predawn sky along the eastern horizon in this peaceful scene. The picture was recorded on May 22nd from the banks of the Mullica River, in a forested region known as the Pine Barrens of southern New Jersey on the US east coast. ... About APOD | ...
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Ссылки http://www.sai.msu.su/apod/ap090528.html -- 5.8 Кб -- 28.02.2014
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2066. APOD: 2009 May 23 - Apollo 12 and Surveyor 3 Stereo View
... 2009 May 23 . Apollo 12 and Surveyor 3 Stereo View . Credit Apollo 12 , NASA ; Stereo Image by Patrick Vantuyne . Explanation: Put on your red/blue glasses and gaze into this dramatic stereo view from the surface of the Moon . ... Combining images, one tinted red and the other blue-green, with the correct offset, produces the stereo effect when viewed using red/blue glasses, the red filter covering the left eye. ... About APOD | ... NASA Official: Phillip Newman Specific rights apply . ...
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Ссылки http://www.sai.msu.su/apod/ap090523.html -- 6.4 Кб -- 28.02.2014
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2067. APOD: 2009 May 22 - East of Antares
... 2009 May 22 . East of Antares . ... Explanation: East of Antares, dark markings sprawl through crowded star fields toward the center of our Milky Way Galaxy. Cataloged in the early 20th century by astronomer E. E. Barnard , the obscuring interstellar dust clouds include B59, B72, B77 and B78 , seen in silhouette against the starry background. Here, their combined shape suggests a pipe stem and bowl, and so the dark nebula's popular name is the Pipe Nebula. ... About APOD | ...
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Ссылки http://www.sai.msu.su/apod/ap090522.html -- 5.9 Кб -- 28.02.2014
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2068. APOD: 2009 May 21 - IC 4592: A Blue Horsehead
... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2009 May 21 . IC 4592: A Blue Horsehead . ... Explanation: This complex of beautiful, dusty reflection nebulae lies in the constellation Scorpius along the plane of our Milky Way Galaxy. ... The star near the eye of the horse and the center of the 5 degree wide field, is embedded in blue reflection nebula IC 4592 over 400 light-years away. ...
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Ссылки http://www.sai.msu.su/apod/ap090521.html -- 5.8 Кб -- 28.02.2014
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2069. APOD: 2009 May 16 - Atlantis and Hubble Side by Side
... 2009 May 16 . Atlantis and Hubble Side by Side . ... Not sunspots though, the dark blemishes were silhouettes of the shuttle orbiter Atlantis and the Hubble Space Telescope side by side. To record this sharp picture of the orbiting pair against the face of the Sun, astronomer Thierry Legault carefully set up his camera and telescope near the center of a 5 kilometer wide path of visibility about 100 kilometers south of Kennedy Space Center in Florida. ... About APOD | ...
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Ссылки http://www.sai.msu.su/apod/ap090516.html -- 6.0 Кб -- 28.02.2014
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2070. APOD: 2009 May 15 - M97: The Owl 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 May 15 . M97: The Owl Nebula . ... Explanation: The Owl Nebula is perched in the sky about 2,600 light-years away toward the bottom of the Big Dipper's bowl. ... One of the fainter objects in Messier's catalog , the Owl Nebula is a planetary nebula , the glowing gaseous envelope shed by a dying sun-like star as it runs out of nuclear fuel . ...
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Ссылки http://www.sai.msu.su/apod/ap090515.html -- 5.9 Кб -- 28.02.2014
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2071. APOD: 2009 May 14 - Elusive Jellyfish Nebula
... 2009 May 14 . Elusive Jellyfish Nebula . ... Explanation: Normally faint and elusive, the Jellyfish Nebula is caught in this alluring wide-field telescopic view. ... In fact, the cosmic jellyfish is seen to be part of bubble-shaped supernova remnant IC 443 , the expanding debris cloud from a massive star that exploded . ... Like its cousin in astrophysical waters the Crab Nebula supernova remnant, IC 443 is known to harbor a neutron star, the remnant of the collapsed stellar core. ... About APOD | ...
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Ссылки http://www.sai.msu.su/apod/ap090514.html -- 5.9 Кб -- 28.02.2014
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2072. APOD: 2009 May 8 - Galaxies of the Perseus Cluster
... 2009 May 8 . Galaxies of the Perseus Cluster . ... Notably, the large galaxy at the left is the massive and bizarre-looking NGC 1275. A prodigious source of high-energy emission, active galaxy NGC 1275 dominates the Perseus cluster, accreting matter as entire galaxies fall into it and feed the supermassive black hole at the galaxy's core. Of course, spiral galaxies also inhabit the Perseus cluster, including the small, face-on spiral NGC 1268, right of picture center. ... About APOD | ...
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Ссылки http://www.sai.msu.su/apod/ap090508.html -- 6.1 Кб -- 28.02.2014
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2073. APOD: 2009 May 9 - A Starry Night in Brazil
... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2009 May 9 . A Starry Night in Brazil . ... Explanation: This panoramic image tracing constellations in the southern sky shows off a beautiful vista toward the center of our Milky Way Galaxy. ... The closest star system, Alpha Centauri , and the giant Omega Centauri globular star cluster also shine in the starry night. ... About APOD | ...
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Ссылки http://www.sai.msu.su/apod/ap090509.html -- 5.8 Кб -- 28.02.2014
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2074. APOD: 2009 May 7 - A Halo for NGC 6164
... 2009 May 7 . A Halo for NGC 6164 . ... Explanation: Beautiful emission nebula NGC 6164 was created by a rare, hot, luminous O-type star, some 40 times as massive as the Sun. ... Also like many planetary nebulae, NGC 6164 has been found to have an extensive, faint halo , revealed in this deep telescopic image of the region. ... The gorgeous skyscape is a composite of narrow-band image data highlighting the glowing gas, and broad-band data of the surrounding starfield. ... About APOD | ...
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Ссылки http://www.sai.msu.su/apod/ap090507.html -- 6.2 Кб -- 28.02.2014
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2075. APOD: 2009 May 2 - The Whale Galaxy
... 2009 May 2 . The Whale Galaxy . ... Explanation: NGC 4631 is a big beautiful spiral galaxy. ... The galaxy's slightly distorted wedge shape suggests to some a cosmic herring and to others its popular moniker, The Whale Galaxy. ... In this gorgeous color image , the galaxy's yellowish core, dark dust clouds, bright blue star clusters, and red star forming regions are easy to spot . A companion galaxy, the small elliptical NGC 4627, is just above the Whale Galaxy. ... About APOD | ...
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Ссылки http://www.sai.msu.su/apod/ap090502.html -- 6.2 Кб -- 28.02.2014
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2076. APOD: 2009 May 1 - Lyrid Meteor and Milky Way
... 2009 May 1 . Lyrid Meteor and Milky Way . ... Explanation: On April 22nd, the Lyrid Meteor Shower visited planet Earth's sky, an annual shower produced as the Earth plows through dust from the tail of comet Thatcher . ... Just a few meteors per hour stream away from the shower's radiant point near bright star Vega in the constellation Lyra. ... The rich starfields and dust clouds of our own Milky Way galaxy stretch across the background, along the meteor's glowing trail . ... About APOD | ...
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Ссылки http://www.sai.msu.su/apod/ap090501.html -- 5.7 Кб -- 28.02.2014
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2077. APOD: 2009 April 30 - Framed by Clouds
... 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 30 . Framed by Clouds . ... The young Moon also shared the sky with the lovely Pleiades star cluster and wandering planet Mercury . ... Mercury will remain near the Pleiades, low in the west after sunset over the coming days, an ongoing conjunction of planet and star cluster that will offer skygazers some excellent binocular views. ...
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Ссылки http://www.sai.msu.su/apod/ap090430.html -- 5.8 Кб -- 28.02.2014
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2078. APOD: 2009 April 25 - Dark Markings of the Sky
... 2009 April 25 . Dark Markings of the Sky . ... Explanation: Based on wide field photographs, American astronomer Edward Emerson Barnard cataloged the dark markings of the sky in the early 20th century. Barnard's markings are dark nebulae, interstellar clouds of obscuring gas and dust. ... Typically a light-year or so across, many of Barnard's dark nebulae are themselves likely sites of future star formation. ... About APOD | ... NASA Official: Phillip Newman Specific rights apply . ...
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Ссылки http://www.sai.msu.su/apod/ap090425.html -- 6.1 Кб -- 28.02.2014
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2079. APOD: 2009 April 24 - Moon and Morning Star
... 2009 April 24 . Moon and Morning Star . ... Explanation: Wednesday, the Moon and Venus rose together in early morning skies. ... The bright planet disappeared behind the Moon's sunlit crescent and reappeared along its darkened limb as morning twilight gave way to daylight hours. ... Beginning a stint as the brilliant Morning Star , Venus' crescent is waxing though, and will grow thicker in the coming months as Venus rises higher in morning skies. ... About APOD | ...
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Ссылки http://www.sai.msu.su/apod/ap090424.html -- 5.8 Кб -- 28.02.2014
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2080. APOD: 2009 April 23 - Sharpless 308
... 2009 April 23 . Sharpless 308 . ... Explanation: Blown by fast winds from a hot, massive star, this cosmic bubble is huge. ... The massive star itself, a Wolf-Rayet star , is the bright blue one near the center of the nebula. Wolf-Rayet stars have over 20 times the mass of the Sun and are thought to be in a brief, pre-supernova phase of massive star evolution. ... The windblown nebula has an age of about 70,000 years. ... About APOD | ... NASA Official: Phillip Newman Specific rights apply . ...
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Ссылки http://www.sai.msu.su/apod/ap090423.html -- 5.9 Кб -- 28.02.2014
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