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9221. Cassini's Phoebe flyby | Astronomy.com
... SUN MOON MERCURY VENUS MARS, JUPITER SATURN . ... Observing . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Cassini's Phoebe flyby . ... Cassini's camera obtained this spectacular view of Saturn's moon Phoebe from a distance of approximately 20,200 miles (32,500 km). ... Only registered members of Astronomy.com are allowed to comment on this article. ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter....
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Ссылки http://www.astronomy.com/news/2004/06/cassinis-phoebe-flyby -- 71.3 Кб -- 10.04.2016
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9222. Saturn on display | Astronomy.com
... Tonight's Sky . ... SUN MOON MERCURY VENUS MARS, JUPITER SATURN . ... Saturn . ... Observing . ... Product Reviews . ... Astronomy for Kids . ... Observing springtime deep-sky objects with a large telescope . ... Saturn on display . ... NASA/JPL/University of Arizona . ... NASA/JPL/SSI . ... NASA/JPL . ... Only registered members of Astronomy.com are allowed to comment on this article. ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ...
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Ссылки http://www.astronomy.com/magazine/2007/04/saturn-on-display -- 74.8 Кб -- 10.04.2016
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9223. What's baking on Titan? | Astronomy.com
... Supernova showered Earth with radioactive debris . ... Sky Events . ... What's baking on Titan? Images from the Cassini spacecraft reveal new features that resemble a giant hot cross bun and shorelines of ancient seas. ... The Cassini team has confirmed some of the stability of Titanт??s northern seas by looking at radar images from Cassini taken about one Titan season т?? in this case, six Earth years т?? apart. ... Only registered members of Astronomy.com are allowed to comment on this article. ...
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Ссылки http://www.astronomy.com/news/2012/10/whats-baking-on-titan -- 73.4 Кб -- 10.04.2016
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9224. The winding Milky Way | Astronomy.com
... Observing . ... milky way . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... The winding Milky Way . ... A theoretical model of a galaxy like the Milky Way, showing trails of stars torn from disrupted satellite galaxies that have merged with the central galaxy. ... It's a big challenge to piece things together," says Cole, "because the stream from one dwarf galaxy can wrap around the Milky Way and pass through streams of stars ripped from other dwarf galaxies...
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Ссылки http://www.astronomy.com/news/2008/08/the-winding-milky-way -- 71.2 Кб -- 10.04.2016
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9225. SALT sees first light | Astronomy.com
... Observing . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... SALT sees first light . ... Five years after construction began, the scope made its first observations, termed "first light," from its dark-sky perch at the edge of the Kalahari Desert in South Africa. ... Only registered members of Astronomy.com are allowed to comment on this article. ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ...
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Ссылки http://www.astronomy.com/news/2005/09/salt-sees-first-light -- 70.2 Кб -- 10.04.2016
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9226. July 2005 astro bytes | Astronomy.com
... Ask Astro . ... Supernova showered Earth with radioactive debris . ... Gravitational wave search provides insights into galaxy evolution and mergers . ... galaxies . ... space flight . ... Astronomy for Kids . ... July 2005 astro bytes . ... On July 10, the Japan Aerospace Exploration Agency (JAXA) successfully launched the Astro-E2 X-ray observatory on an M-V-6 rocket from Uchinoura Space Center in southern Japan. ... Only registered members of Astronomy.com are allowed to comment on this article. ...
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Ссылки http://www.astronomy.com/news/2005/07/july-2005-astro-bytes -- 77.9 Кб -- 10.04.2016
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9227. Hubble captures comet | Astronomy.com
... Hubble captures comet . The Hubble Space Telescope has captured images of Comet 17P/Holmes. ... The central portion of the image has been specially processed to highlight variations in the dust distribution near the nucleus. ... Hubble first observed Comet 17P/Holmes on June 15, 1999, when there was virtually no dusty shroud around the nucleus. ... The Hubble images however do not show any large fragments near the nucleus of Comet Holmes, unlike the case of Comet 73P/Schwassmann-Wachmann 3 (SW3). ...
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Ссылки http://www.astronomy.com/news/2007/11/hubble-captures-comet -- 70.4 Кб -- 10.04.2016
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9228. Punched by a neighbor | Astronomy.com
... Tonight's Sky . ... Observing . ... Sky this Month . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Astronomy for Kids . ... Imaging Basics . ... Punched by a neighbor . The Andromeda Galaxy has a hole in its disk where a satellite galaxy blasted through. ... Only registered members of Astronomy.com are allowed to comment on this article. ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ...
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Ссылки http://www.astronomy.com/news/2005/10/punched-by-a-neighbor -- 69.1 Кб -- 10.04.2016
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9229. Galaxies far, far away | Astronomy.com
... Tonight's Sky . ... Observing . ... Gravitational wave search provides insights into galaxy evolution and mergers . ... stars . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Galaxies far, far away . ... Rolf-Peter Kudritzki of the Institute for Astronomy (IfA) and his collaborators observed the galaxy NGC 300, which is about 6 million light-years away and located in the constellation Sculptor, to test this new method of measuring distances between galaxies...
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Ссылки http://www.astronomy.com/news/2007/05/galaxies-far-far-away -- 69.5 Кб -- 10.04.2016
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9230. Supernova on a bridge | Astronomy.com
... Tonight's Sky . ... Observing . ... Gravitational wave search provides insights into galaxy evolution and mergers . ... galaxies . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Sky Events . ... Supernova on a bridge . A pair of interacting galaxies gives astronomers an environment to study supernovae. ... Supernova 2005cf exploded in the vicinity of the bridging material, and the supernovaт??s progenitor star likely was born in one of the two galaxies. ...
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Ссылки http://www.astronomy.com/news/2006/07/supernova-on-a-bridge -- 68.5 Кб -- 10.04.2016
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9231. Spying on the Sun | Astronomy.com
... Tonight's Sky . ... SUN MOON MERCURY VENUS MARS, JUPITER SATURN . Sun . ... The Magazine . ... Observing . ... Gravitational wave search provides insights into galaxy evolution and mergers . ... solar system . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Spying on the Sun . ... Get instant access to subscriber content on Astronomy.com! ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ...
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Ссылки http://www.astronomy.com/magazine/2005/04/spying-on-the-sun -- 63.0 Кб -- 10.04.2016
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9232. Mapping the Milky Way | Astronomy.com
... Tonight's Sky . ... Observing . ... milky way . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Astronomy for Kids . ... Mapping the Milky Way . ... The team found W3OH orbits the galaxy slower than the galaxy spins and is falling toward the Milky Way's center. ... Only registered members of Astronomy.com are allowed to comment on this article. ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ...
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Ссылки http://www.astronomy.com/news/2006/01/mapping-the-milky-way -- 68.4 Кб -- 10.04.2016
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9233. Andromeda times three | Astronomy.com
... Tonight's Sky . ... DISK т?? ... Observing . ... Star Atlas . ... Andromeda times three . ... Astronomers who mapped detailed motions of stars in the outskirts of the Andromeda Galaxy found the spiral disk of Andromeda is three times larger in diameter than previously estimated. ... Observers could not grasp the full size and extent of the Andromeda Galaxy (M31) until observational technology let them capture the spectra of thousands of faint stars scattered far outside the galaxy's visible disk. ...
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Ссылки http://www.astronomy.com/news/2005/06/andromeda-times-three -- 69.4 Кб -- 10.04.2016
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9234. Black-hole light show | Astronomy.com
... Behemoth black hole found in an unlikely place . ... black holes . ... Black-hole light show . ... This artist rendition shows an accretion disk swirling around a black hole. ... However, according to new theoretical research from two NASA astrophysicists, the wrenching gravity just outside the outer boundary of a black hole can produce yet another bizarre effect: light echoes. ... Many black holes are surrounded by disks of searing hot gas that whirl around at nearly the speed of light. ...
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Ссылки http://www.astronomy.com/news/2008/01/black-hole-light-show -- 72.0 Кб -- 10.04.2016
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9235. The most massive star | Astronomy.com
... Observing . ... Star Atlas . ... The most massive star . ... Among the two other similar bright, hot stars close to A1 at the core of NGC 3603, a star dubbed "C" was also found to be a binary with a period of 8.92 days, although definitive masses for its components, also expected to be high, are not yet available. ... A lthough stars with masses reaching up to 150 times the mass of the Sun are expected in the local Universe, no one has reliably found a star exceeding 83 solar masses so far. ...
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Ссылки http://www.astronomy.com/news/2007/06/the-most-massive-star -- 68.9 Кб -- 10.04.2016
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9236. When galaxies collide | Astronomy.com
... Gravitational wave search provides insights into galaxy evolution and mergers . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... When galaxies collide . ... This artist's conception shows what the night sky might look like from a hypothetical planet around a star tossed out of an ongoing four-way collision between large galaxies. ... Though stars in merging galaxies are tossed around like sand, they have a lot of space between them and survive the ride. ...
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Ссылки http://www.astronomy.com/news/2007/08/when-galaxies-collide -- 69.4 Кб -- 10.04.2016
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9237. Clues about GRB hosts | Astronomy.com
... Observing . ... Gravitational wave search provides insights into galaxy evolution and mergers . ... galaxies . ... Clues about GRB hosts . ... Out of the 42 long gamma-ray bursts (GRBs) the scientists studied, only one - GRB990705 - is associated with a spiral galaxy. ... Long-GRB host galaxies are small, faint irregular galaxies deficient in metals (what astronomers call elements heavier than helium). ... Only one of the 42 long-GRB host galaxies is a grand-design spiral like the Milky Way Galaxy. ...
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Ссылки http://www.astronomy.com/news/2006/06/clues-about-grb-hosts -- 68.1 Кб -- 10.04.2016
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9238. A galaxy's ghost story | Astronomy.com
... galaxies . ... Four spiral galaxies in Leo . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Open cluster NGC 2818, spiral galaxy NGC 2964, and spiral galaxy NGC 2976 . ... A galaxy's ghost story . ... U sing a quartet of space observatories, University of Maryland astronomers may have cracked a 45-year mystery surrounding two ghostly spiral arms in the galaxy M106. ... These arms are dominated by young, bright stars, which light up the gas within the arms. ...
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Ссылки http://www.astronomy.com/news/2007/05/a-galaxys-ghost-story -- 70.8 Кб -- 10.04.2016
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9239. GRB theory questioned | Astronomy.com
... Tonight's Sky . ... Observing . ... GRB theory questioned . ... The NASA Swift gamma-ray mission makes prompt multi-wavelength observations of gamma-ray bursts and their associated afterglows. ... Swift can turn and observe a gamma-ray burst with its X-ray and optical telescopes in just a few tens of seconds," says David Burrows from Pennsylvania State University, lead investigator for the X-ray telescope on Swift. ... Only registered members of Astronomy.com are allowed to comment on this article. ...
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Ссылки http://www.astronomy.com/news/2007/02/grb-theory-questioned -- 70.5 Кб -- 10.04.2016
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9240. Swiftly refining GRBs | Astronomy.com
... Observing . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Swiftly refining GRBs . ... U sing NASA's Swift satellite, astrophysicists observed a never-before-seen transition stage between a gamma-ray burst's (GRB) initial emission and its X-ray afterglow. ... Only registered members of Astronomy.com are allowed to comment on this article. ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ...
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Ссылки http://www.astronomy.com/news/2005/08/swiftly-refining-grbs -- 68.5 Кб -- 10.04.2016
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