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9381. Extrasolar Earths? | Astronomy.com
... Tonight's Sky . ... Observing . ... Extrasolar Earths? More than one-third of the planet systems detected outside our solar system may harbor earthlike planets covered in deep, global oceans. ... M ore than one-third of the giant planet systems detected outside our solar system may harbor Earth-like planets that offer abundant potential for life, according to a new study by two scientists from Penn State and one from the University of Colorado associated with NASA's Astrobiology Institute. ...
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Ссылки http://www.astronomy.com/news/2007/01/extrasolar-earths -- 70.0 Кб -- 09.04.2016
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9382. Simulating Sedna | Astronomy.com
... Tonight's Sky . ... Observing . ... 50 Weirdest Objects . ... solar system . ... Observing springtime deep-sky objects with a large telescope . ... Simulating Sedna . ... Now, S. Alan Stern of the Southwest Research Institute in Boulder, Colorado, says large bodies may have formed much farther out than previously thought and Sedna may be only the first of many such objects found in the solar system's hinterlands. ... Only registered members of Astronomy.com are allowed to comment on this article. ...
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Ссылки http://www.astronomy.com/news/2005/01/simulating-sedna -- 70.4 Кб -- 09.04.2016
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9383. Dust in the wind | Astronomy.com
... Tonight's Sky . ... Observing . ... Star Atlas . ... Astronomy for Kids . ... Dust in the wind . ... Astronomers have at last found definitive evidence that the universe's first dust, the celestial stuff that seeded future generations of stars and planets, was forged in the explosions of massive stars. ... 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/2007/12/dust-in-the-wind -- 71.2 Кб -- 09.04.2016
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9384. Stellar stakeout | Astronomy.com
... Tonight's Sky . ... Observing . ... Star Atlas . ... stars . ... space flight . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Astronomy for Kids . ... Stellar stakeout . Canada's space telescope spies on stars as they spin and shake. ... Atlas of the Stars . ... 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/2004/07/stellar-stakeout -- 69.6 Кб -- 09.04.2016
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9385. Looking for life | Astronomy.com
... Observing . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Looking for life . For the paper trail of life on Mars or other planets, look for cellulose. ... So in looking for evidence of life on Mars, for bacteria or higher plants that existed on Mars or other planets in the solar system, then looking for cellulose in salt deposits is probably a very good way to go. ... Only registered members of Astronomy.com are allowed to comment on this article. ...
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Ссылки http://www.astronomy.com/news/2008/03/looking-for-life -- 69.8 Кб -- 09.04.2016
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9386. Lifting the veil | Astronomy.com
... Tonight's Sky . ... Moon . ... Observing . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Astronomy for Kids . ... Lifting the veil . ... The probe has returned its first images of Titan's surface, and the veil enshrouding Saturn's largest moon has begun to lift. ... 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/2004/05/lifting-the-veil -- 70.1 Кб -- 09.04.2016
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9387. Follow the water | Astronomy.com
... Tonight's Sky . ... Observing . ... Follow the water . Mars rovers sharpen questions about living conditions on the Red Planet. ... NASA's current rovers and orbiters at Mars pursue the agency's "follow the water" theme for Mars exploration. ... The following mission, the Mars Science Laboratory rover, will incorporate many lessons from the current rovers, says that project's manager, Richard Cook of JPL. ... Only registered members of Astronomy.com are allowed to comment on this article. ...
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Ссылки http://www.astronomy.com/news/2008/02/follow-the-water -- 70.6 Кб -- 09.04.2016
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9388. New Saturn moons | Astronomy.com
... SUN MOON MERCURY VENUS MARS, JUPITER SATURN . ... News . Observing . ... New Saturn moons . Earth-based astronomers have discovered 12 new moons orbiting far from Saturn, while the Cassini spacecraft takes a close look at one of the ringed planet's innermost moons. ... The circle marks the spot of the newly discovered moon S/2004 S 11, one of 13 new moons found orbiting Saturn. Of the 13 moons, S 11 lies closest to the planet, but it's still more than 10 million miles (16 million km) away. ...
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Ссылки http://www.astronomy.com/news/2005/05/new-saturn-moons -- 70.2 Кб -- 09.04.2016
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9389. Saturn's 60 moons | Astronomy.com
... SUN MOON MERCURY VENUS MARS, JUPITER SATURN . ... Observing . ... Saturn's 60 moons . ... The four moons' shadows appear to skirt the planet just above the shadow of Saturn's rings. This week, astronomers announced the discovery of Saturn's 60th moon, orbiting between Mimas and Enceladus. ... H igh resolution cameras on NASA's Cassini spacecraft have spotted yet another small, previously unknown moon circling Saturn one which may indicate the existence of other small bodies in the same region. ...
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Ссылки http://www.astronomy.com/news/2007/07/saturns-60-moons -- 70.2 Кб -- 09.04.2016
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9390. Meteors will light up the winter sky | Astronomy.com
... Meteors will light up the winter sky . ... Astronomy magazine contributing editor Raymond Shubinski, who has observed more than 100 meteor showers, offers an important point: т??Comfort counts when observing meteor showers,т?? ... Shubinski advises observers to keep a running tally of meteors. т??By doing that,т?? he says, т??youт??ll get a good idea of how your site compares with observing sites around the world.т?? ... Only registered members of Astronomy.com are allowed to comment on this article...
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Ссылки http://www.astronomy.com/news/2010/12/2011-quadrantids -- 72.2 Кб -- 09.04.2016
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9391. The missing link | Astronomy.com
... The missing link . The discovery of radio emissions from brown dwarfs may unlock the mysteries of how pulsars work. ... We now think brown dwarfs may be a missing link between pulsars and planets in our own Solar System, which also emit, but more weakly," he added. ... In 2001, a group of summer students at the National Radio Astronomy Observatory used the VLA to observe a brown dwarf, even though seasoned astronomers had told them that brown dwarfs were not observable at radio wavelengths. ...
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Ссылки http://www.astronomy.com/news/2007/04/the-missing-link -- 69.9 Кб -- 09.04.2016
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9392. A giant surprise | Astronomy.com
... Tonight's Sky . ... Observing . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... A giant surprise . Planet-bearing giant stars tend to be more metal-poor than other stars with planets. ... This trend is surprising: It is opposite the one seen in planet-bearing main sequence stars and suggests stars more massive than the Sun may give birth to planets in a different way. ... Only registered members of Astronomy.com are allowed to comment on this article. ...
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Ссылки http://www.astronomy.com/news/2005/09/a-giant-surprise -- 69.5 Кб -- 09.04.2016
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9393. Shot in the dark | Astronomy.com
... Observing . ... Star Atlas . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Shot in the dark . ... This "shot in the dark" is surprising because the type of explosion, a long-duration gamma-ray burst (GRB), is thought to be powered by the death of a massive star. ... 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/2007/12/shot-in-the-dark -- 69.8 Кб -- 09.04.2016
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9394. Asymmetric ashes | Astronomy.com
... Tonight's Sky . ... Observing . ... Supernova showered Earth with radioactive debris . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Asymmetric ashes . ... A stronomers are reporting remarkable new findings that shed light on a decade-long debate about one kind of supernova, the explosion that marks a star's final demise: does the star die in a slow burn or with a fast bang? ... Only registered members of Astronomy.com are allowed to comment on this...
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Ссылки http://www.astronomy.com/news/2006/12/asymmetric-ashes -- 71.1 Кб -- 09.04.2016
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9395. Neutron stars may be too weak to power some gamma-ray bursts | Astronomy.com
... Star Atlas . ... Behemoth black hole found in an unlikely place . ... stars . ... black holes . ... Neutron stars may be too weak to power some gamma-ray bursts . A new analysis suggests that the remnant from a long-duration gamma-ray burst is most likely a black hole, not a neutron star. ... A gamma-ray burst (GRB) is an immensely powerful blast of high-energy light thought to be generated by a collapsing star in a distant galaxy, but what this collapse leaves behind has been a matter of debate. ...
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Ссылки http://www.astronomy.com/news/2010/11/gamma-ray-bursts -- 76.7 Кб -- 09.04.2016
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9396. Avoiding impacts | Astronomy.com
... Moon . ... Tune into the Asteroid Day press conference . ... Read Mark BosloughУ?т??т??s blog on the Jupiter impact . ... Avoiding impacts . ... A stronomers and policy makers met February 23 to 26 in Garden Grove, California, to discuss what many might consider a far-out concept protecting Earth from asteroid and comet impacts. ... Even with asteroids, they note, the probability of an impact must reach nearly 100 percent before astronomers can firmly establish where on Earth it will strike. ...
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Ссылки http://www.astronomy.com/news/2004/02/avoiding-impacts -- 84.7 Кб -- 09.04.2016
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9397. Of ELTs and OWLs | Astronomy.com
... Tonight's Sky . ... News . Observing . ... Gravitational wave search provides insights into galaxy evolution and mergers . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Observing springtime deep-sky objects with a large telescope . ... Of ELTs and OWLs . ... OWL . ... 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/2005/04/of-elts-and-owls -- 71.4 Кб -- 09.04.2016
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9398. Hubble's sweet 16 | Astronomy.com
... Observing . ... Star Atlas . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Hubble's sweet 16 . ... In the image, what appear to be fuzzy stars throughout the galaxy are actually star clusters, each containing up to a million stars. ... By then, many of the massive stars formed in this round of star formation will begin exploding as supernovae, further disrupting the galaxy. ... Only registered members of Astronomy.com are allowed to comment on this article...
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Ссылки http://www.astronomy.com/news/2006/04/hubbles-sweet-16 -- 68.7 Кб -- 09.04.2016
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9399. Acceleron, anyone? | Astronomy.com
... Observing . ... Acceleron, anyone? Dark energy may arise from the interaction of neutrinos and a hypothetical particle. ... The main ingredient of the universe is "dark energy," a mysterious form of energy that exists between galaxies and forces the universe to expand at an ever-increasing rate. ... 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/2004/07/acceleron-anyone -- 69.5 Кб -- 09.04.2016
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9400. Replacing Hubble | Astronomy.com
... Observing . ... Observing springtime deep-sky objects with a large telescope . ... Replacing Hubble . ... Sporting a lightweight mirror, grounded instruments and spare parts from the Hubble Space Telescope, and a new wide-field imager, the Hubble Origins Probe could deliver Hubble science into the next decade. ... 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/2005/02/replacing-hubble -- 70.5 Кб -- 09.04.2016
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