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На этой странице приведены все страницы сервера www.sai.msu.su ,которые мы индексируем. Показаны документы 2221 - 2240 из 11449.

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2221. APOD: 2009 January 11 - In the Shadow of Saturn
... 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 11 . In the Shadow of Saturn . Credit: Cassini Imaging Team , SSI , JPL , ESA , NASA . ... First, the night side of Saturn is seen to be partly lit by light reflected from its own majestic ring system . ... Saturn's rings light up so much that new rings were discovered, although they are hard to see in the image. ...
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2222. APOD: 2009 January 1 - Welcome to the International Year of Astronomy
Discover the cosmos! ... 2009 January 1 . Welcome to the International Year of Astronomy . Credit: IYA2009 , IAU , UNESCO . Explanation: Astronomers all over planet Earth invite you to experience the night sky as part of the International Year of Astronomy 2009 . ... Note : APOD Editor to Speak in New York on Jan. 2 (tomorrow!) ... About APOD | ... NASA Official: Phillip Newman Specific rights apply . NASA Web Privacy Policy and Important Notices . ...
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2223. APOD: 2008 December 30 - Home from Above
... 2008 December 30 . Home from Above . Credit: Expedition 18 Crew , NASA . Explanation: There's no place like home . Peering out of the window of the International Space Station (ISS), astronaut Greg Chamitoff takes in the planet on which we were all born. About 350 kilometers up, the ISS is high enough so that the Earth's horizon appears clearly curved . ... The space station orbits the Earth about once every 90 minutes. ... Note : APOD Editor to Speak in New York on Jan. ...
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2224. APOD: 2008 December 21 - Analemma Over the Porch of Maidens
... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2008 December 21 . Analemma Over the Porch of Maidens . ... Explanation: If you took a picture of the Sun at the same time each day, would it remain in the same position? ... Today, the Winter Solstice day in Earth's northern hemisphere, the Sun is at the bottom of the analemma. ... Note : APOD Editor to Speak in New York on Jan. ...
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2225. APOD: 2008 December 13 - The 60 inch Reflector
... 2008 December 13 . The 60-inch Reflector . ... Explanation: On the night of December 13, 1908, 100 years ago today, the 60-inch diameter reflecting telescope of Mount Wilson Observatory was first tested on the stars. ... The 60-inch reflector demonstrated a scalable design that used a mirror to gather faint starlight, rather than a large and more difficult to support lens, becoming the granddaddy of all, even larger, modern telescopes. ... About APOD | ... A service of: ASD at NASA / GSFC . ...
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2226. APOD: 2008 December 7 - A Halo Around the Moon
... 2008 December 7 . A Halo Around the Moon . ... Explanation: Have you ever seen a halo around the Moon? This fairly common sight occurs when high thin clouds containing millions of tiny ice crystals cover much of the sky. ... Because most of the crystals have a similar elongated hexagonal shape, light entering one crystal face and exiting through the opposing face refracts 22 degrees, which corresponds to the radius of the Moon Halo . ... About APOD | ... A service of: ASD at NASA / GSFC . ...
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2227. APOD: 2008 December 11 - At the Center of the Milky Way
... 2008 December 11 . At the Center of the Milky Way . ... Explanation: At the center of our Milky Way Galaxy lies a supermassive black hole . Once a controversial claim, this conclusion is now solidly based on 16 years of observations that map the orbits of 28 stars very near the galactic center . ... Their ability to track stars so close to the galactic center accurately measures the black hole's mass and also determines the distance to the center to be 27,000 light-years. ... About APOD | ...
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2228. APOD: 2008 November 22 - From Moonrise to Sunset
... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2008 November 22 . From Moonrise to Sunset . ... Explanation: In this panorama of Earth and sky recorded on Thursday, November 13, the Full Moon rises along the eastern horizon at the far left. ... About APOD | ... NASA Official: Phillip Newman Specific rights apply . NASA Web Privacy Policy and Important Notices . ...
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2229. APOD: 2008 November 7 - Cygnus Trio
... 2008 November 7 . Cygnus Trio . ... Explanation: In this colorful mosaic, filaments of gas and dust span some 9 degrees across central Cygnus, a nebula rich constellation along the northern Milky Way . A trio of nebulae with popular names highlights the beautiful skyscape - the Butterfly, the Crescent, and the Tulip. At left, the Butterfly Nebula (IC 1318), lies near bright star Gamma Cygni. ... About APOD | ... NASA Official: Phillip Newman Specific rights apply . ...
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2230. APOD: 2009 January 13 - Largest Full Moon of 2009
... 2009 January 13 . Largest Full Moon of 2009 . ... Explanation: A larger moon will not be seen this year. This past weekend, the largest full Moon of 2009 could be seen from almost any clear location on planet Earth at night . The large angular extent of the full Moon was caused by the Moon being unusually close to Earth during its full phase . ... The last full Moon, in 2008 December, was the largest full moon of 2008 . ... About APOD | ... NASA Web Privacy Policy and Important Notices . ...
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2231. APOD: 2009 January 14 - NGC 2170: Celestial Still Life
... 2009 January 14 . NGC 2170: Celestial Still Life . ... In this beautiful celestial still life composed with a cosmic brush, dusty nebula NGC 2170 shines near the image center. Reflecting the light of nearby hot stars, NGC 2170 is joined by other bluish reflection nebulae, a red emission region, many dark absorption nebulae , and a backdrop of colorful stars . ... About APOD | ... NASA Official: Phillip Newman Specific rights apply . NASA Web Privacy Policy and Important Notices . ...
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2232. APOD: 2009 January 12 - Unusual Light Pillars Over Latvia
... 2009 January 12 . Unusual Light Pillars Over Latvia . ... The reason why these pillars fan out at the top, however, is currently unknown -- readers of APOD might help figure this out by participating in an online discussion . ... The air was noted to be quite cold and indeed filled with small ice crystals, just the type known to create several awe-inspiring but well known sky phenomena such as light pillars , sun pillars , sun dogs , and moon halos . ... About APOD | ...
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2233. APOD: 2008 December 31 - The Sky in Motion
... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2008 December 31 . The Sky in Motion . Credit Copyright : Video: Till Credner , ( The Sky in Motion.com ) . ... Consider one appropriate for 2009, the International Year of Astronomy ; just look up -- experience, learn, and enjoy the changing sky. ... Note : APOD Editor to Speak in New York on Jan. ... About APOD | ...
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2234. APOD: 2008 December 12 - Lick Observatory Moonrise
... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2008 December 12 . Lick Observatory Moonrise . ... Explanation: As viewed from a well chosen location at sunset , October's gorgeous Full Moon rose behind Mount Hamilton, east of San Jose, California. ... The close approach really will make December's Full Moon the largest Full Moon of 2008, even when it rises high above the horizon . ...
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2235. APOD: 2008 November 6 - A Sharper View of a Hazy Giant
... 2008 November 6 . A Sharper View of a Hazy Giant . ... Explanation: This dramatic image of Jupiter is touted as the sharpest picture of the entire gas giant ever taken from the ground. ... So, this sharper view shows the infrared sunlight reflected from the giant planet's high level haze prominent in the equatorial regions and near the poles. ... Tomorrow's picture: Cygnus Trio . ... About APOD | ... NASA Official: Phillip Newman Specific rights apply . ... A service of: ASD at NASA / GSFC . ...
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2236. APOD: 2008 November 5 - Seventeen Hundred Kilometers Above Enceladus
... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2008 November 5 . Seventeen Hundred Kilometers Above Enceladus . Credit: Cassini Imaging Team , ISS , JPL , ESA , NASA . ... The image was taken from about 1,700 kilometers up as the robotic Cassini spacecraft zoomed by the fractured ice ball last week. ... Tomorrow's picture: sharper image . ... About APOD | ...
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2237. APOD: 2008 November 4 - The Double Ring Galaxies of Arp 147 from Hubble
... 2008 November 4 . The Double Ring Galaxies of Arp 147 from Hubble . ... Explanation: How could a galaxy become shaped like a ring? ... This blue galaxy is part of the interacting galaxy system known as Arp 147 , and shows a ring because it has recently collided with the other galaxy in the frame, the red galaxy on the left. Unusually, even this red galaxy shows a ring like band, although it is seen nearly edge-on. ... About APOD | ...
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2238. APOD: 2008 November 2 - Spicules: Jets on the Sun
... 2008 November 2 . Spicules: Jets on the Sun . ... Explanation: Imagine a pipe as wide as a state and as long as half the Earth. Now imagine that this pipe is filled with hot gas moving 50,000 kilometers per hour. ... Time-sequenced images have recently shown that spicules last about five minutes, starting out as tall tubes of rapidly rising gas but eventually fading as the gas peaks and falls back down to the Sun . ... About APOD | ... NASA Official: Phillip Newman Specific rights apply . ...
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2239. APOD: 2008 November 3 - A Spectacular Rayed Crater on Mercury
... 2008 November 3 . A Spectacular Rayed Crater on Mercury . Credit: MESSENGER , NASA , JHU APL , CIW . ... The robotic MESSENGER spacecraft that is taking unprecedented images as it swoops past the innermost planet has provided dramatic confirmation that Mercury has more rayed craters than Earth's Moon . Pictured above , a particularly spectacular rayed crater spanning approximately 80 kilometers was imaged by MESSENGER during last month's flyby from about 20,000 kilometers up. ...
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2240. APOD: 2008 November 1 - A Spectre in the Eastern Veil
... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2008 November 1 . A Spectre in the Eastern Veil . ... In this composite of image data recorded through narrow band filters, emission from hydrogen atoms in the remnant is shown in red with strong emission from oxygen atoms in greenish hues. ... About APOD | ... NASA Official: Phillip Newman Specific rights apply . ...
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