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9361. Paired vixens | Astronomy.com
... Tonight's Sky . ... SUN MOON MERCURY VENUS MARS, JUPITER SATURN . ... Moon . ... The Magazine . ... 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 . ... Astronomy for Kids . ... Paired vixens . ... 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/2002/07/paired-vixens -- 62.9 Кб -- 10.04.2016
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9362. Mars' cold insides | Astronomy.com
... Mars . ... Observing . ... Mars' cold insides . ... The discovery was made using the Shallow Radar instrument on the spacecraft, which has provided the most detailed pictures to date of the interior layers of ice, sand and dust that make up the north polar cap on Mars. ... In our first glimpses inside the polar ice using the radar on Mars Reconnaissance Orbiter, we can clearly see stacks of icy material that trace the history of Mars' climate," says Jeffrey Plaut of NASA's Jet Propulsion Laboratory....
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Ссылки http://www.astronomy.com/news/2008/05/mars-cold-insides -- 70.7 Кб -- 09.04.2016
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9363. What would E.T. see? | Astronomy.com
... Tonight's Sky . ... 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 . ... Globular cluster NGC 2808, elliptical galaxy NGC 2986, and the Sextans Dwarf . ... What would E.T. see? ... 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/what-would-et-see -- 69.3 Кб -- 09.04.2016
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9364. Saturn's hot spots | Astronomy.com
... Tonight's Sky . ... Observing . ... Astronomy for Kids . ... Saturn's hot spots . ... This image shows the unexpected "hot spot" at Saturn's north pole. ... Despite more than a decade of winter darkness, Saturn's north pole is home to an unexpected hot spot remarkably similar to one at the planet's sunny south pole. ... While scientists already knew about the hot spot at Saturn's south pole from previous observations by the W. M. Keck Observatory in Hawaii, the north pole vortex was a surprise. ...
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Ссылки http://www.astronomy.com/news/2008/01/saturns-hot-spots -- 69.3 Кб -- 09.04.2016
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9365. A swoosh in space | Astronomy.com
... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... The Golden Earring, planetary nebula NGC 2867, and barred spiral galaxy NGC 3109 . ... A striking Hubble image of the planetary nebula NGC 5189 looks like a giant and brightly colored ribbon in space. ... The NASA/ESA Hubble Space Telescope celebrates the end of the year with a striking image of the planetary nebula NGC 5189. ... Planetary nebulae represent a final brief stage in the life of a star like the Sun. ...
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Ссылки http://www.astronomy.com/news/2012/12/a-swoosh-in-space -- 71.3 Кб -- 09.04.2016
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9366. New sets of rings | Astronomy.com
... Tonight's Sky . ... SET т?? ... News . 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 . ... New sets of rings . ... A strophysicists have identified 19 new gravitationally lensed galaxies, eight of which are Einstein rings. ... If the objects are not precisely lined up, an observer will see arcs of the background galaxy instead of a continuous ring. ...
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Ссылки http://www.astronomy.com/news/2005/11/new-sets-of-rings -- 68.2 Кб -- 09.04.2016
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9367. Life's chances | Astronomy.com
... Tonight's Sky . ... SUN MOON MERCURY VENUS MARS, JUPITER SATURN . ... Moon . ... The Magazine . ... 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 . ... Astronomy for Kids . ... Life's chances . ... 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/2006/03/lifes-chances -- 62.8 Кб -- 09.04.2016
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9368. Changing Mars | Astronomy.com
... Tonight's Sky . ... SUN MOON MERCURY VENUS MARS, JUPITER SATURN . ... Moon . ... The Magazine . ... 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 . ... Astronomy for Kids . ... Changing Mars . ... 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/2004/04/changing-mars -- 63.0 Кб -- 09.04.2016
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9369. Under the surface | Astronomy.com
... Tonight's Sky . ... Mars . ... Observing . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Astronomy for Kids . ... Under the surface . ... M ars Express, a European Space Agency (ESA) spacecraft orbiting the Red Planet, used the Mars Advanced Radar for Subsurface and Ionospheric Sounding (MARSIS) to provide the first three-dimensional views beneath the Red Planet's surface. ... Only registered members of Astronomy.com are allowed to comment on this article....
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Ссылки http://www.astronomy.com/news/2005/11/under-the-surface -- 69.1 Кб -- 09.04.2016
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9370. Feuding neighbors | Astronomy.com
... Tonight's Sky . ... Observing . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Astronomy for Kids . ... Feuding neighbors . A black hole from the "death star" galaxy fires at a neighboring galaxy. ... This composite image shows the jet from a black hole at the center of a galaxy striking the edge of another galaxy, the first time such an interaction has been found. ... Only registered members of Astronomy.com are allowed to comment on this article. ...
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Ссылки http://www.astronomy.com/news/2008/01/feuding-neighbors -- 70.1 Кб -- 09.04.2016
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9371. Anatomy of a bird | Astronomy.com
... 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 . ... Anatomy of a bird . ... A 30-min VLT/NACO K-band exposure has been combined with archive HST/ACS B and I-band images to produce a three-color image of the 'Bird' interacting galaxy system. ... This system, which astronomers have dubbed "The Bird," is composed of two massive spiral galaxies and a third irregular...
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Ссылки http://www.astronomy.com/news/2007/12/anatomy-of-a-bird -- 69.4 Кб -- 09.04.2016
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9372. A galactic fossil | Astronomy.com
... Tonight's Sky . ... Star Atlas . ... stars . ... A galactic fossil . ... An international team of astronomers led by Dr. Anna Frebel of The University of Texas at Austin McDonald Observatory recently measured the age of an ancient star in our Milky Way galaxy at an extraordinary 13.2 billion years. ... Astronomers can only accurately measure the ages of very rare old stars that contain huge amounts of certain types of chemical elements, including radioactive elements like thorium and uranium. ...
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Ссылки http://www.astronomy.com/news/2007/05/a-galactic-fossil -- 70.0 Кб -- 09.04.2016
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9373. Caught in the act | Astronomy.com
... Star Atlas . ... Gravitational wave search provides insights into galaxy evolution and mergers . ... Caught in the act . ... A team of astronomers from France, Germany, and the UK, has discovered the majority of the most distant galaxies so far identified are very young, undergoing their first extremely vigorous bursts of star formation. ... While the technique relied upon the galaxies containing some young stars, it could not determine how long star formation had continued in the galaxies. ...
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Ссылки http://www.astronomy.com/news/2007/04/caught-in-the-act -- 72.3 Кб -- 09.04.2016
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9374. Galactic upheaval | Astronomy.com
... Tonight's Sky . ... Observing . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Globular cluster NGC 2808, elliptical galaxy NGC 2986, and the Sextans Dwarf . ... Open cluster NGC 2818, spiral galaxy NGC 2964, and spiral galaxy NGC 2976 . ... Galactic upheaval . ... 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/2007/05/galactic-upheaval -- 69.0 Кб -- 09.04.2016
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9375. How old are stars? | Astronomy.com
... Star Atlas . ... Gyrochronology transforms a rotating star into a clock which is set using the Sun and keeps time well," says Sydney Barnes, Lowell Observatory astronomer. ... By showing that the rotation period of a star is a steadily changing and tight function of its age and color, gyrochronology allows the age to be determined by measuring the two other properties ? ... Barnes derives ages for sample stars where rotation and color are known, but the stellar ages using other methods are not known...
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Ссылки http://www.astronomy.com/news/2007/04/how-old-are-stars -- 72.4 Кб -- 09.04.2016
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9376. Hubble helps Dawn | Astronomy.com
... Tonight's Sky . ... Sky this Month . ... Astronomy for Kids . ... Sky Guide . ... Hubble helps Dawn . Astronomers use Hubble images of Vesta and Ceres to prepare for spacecraft Dawn's mission to the asteroid belt. ... H ubble Space Telescope images of Vesta and Ceres are helping astronomers plan for the Dawn spacecraft's tour of these hefty asteroids. ... To prepare for the Dawn spacecraft's visit to Vesta, astronomers used Hubble's Wide Field Planetary Camera 2 to snap new images of the asteroid. ...
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Ссылки http://www.astronomy.com/news/2007/06/hubble-helps-dawn -- 71.3 Кб -- 09.04.2016
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9377. The next wave | Astronomy.com
... 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 . ... The next wave . ... T he next-generation radio telescope, the Square Kilometer Array (SKA) is scheduled for operation in 2020. ... 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/2005/06/the-next-wave -- 71.5 Кб -- 09.04.2016
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9378. Moon rock odyssey | Astronomy.com
... Tonight's Sky . ... Moon . ... Moon rock odyssey . A meteorite found in Oman in 2002 can be traced back to the Imbrium basin and the crater Lalande on the lunar nearside. ... A fist-size meteorite named Sayh al Uhaymir 169 experienced three lunar impacts while on the Moon before a fourth ejected it and sent it earthward, says a team of planetary scientists who studied the meteorite's isotope chemistry. ... Only registered members of Astronomy.com are allowed to comment on this article. ...
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Ссылки http://www.astronomy.com/news/2004/07/moon-rock-odyssey -- 71.2 Кб -- 09.04.2016
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9379. Bye-bye Milky Way | Astronomy.com
... Tonight's Sky . ... Observing . ... Star Atlas . ... milky way . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Bye-bye Milky Way . ... This speed is twice as fast as the Milky Way's escape velocity, so our galaxy's gravity will not be able to stop this star's motion. ... 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/bye-bye-milky-way -- 68.2 Кб -- 09.04.2016
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9380. Hubble's SWEEPS 16 | Astronomy.com
... Observing . ... galaxies . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Hubble's SWEEPS 16 . ... From February 23?29, 2004, a survey known as the Sagittarius Window Eclipsing Extrasolar Planet Search (SWEEPS) scanned the sky using Hubble's Advanced Camera for Surveys. ... 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...
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Ссылки http://www.astronomy.com/news/2006/10/hubbles-sweeps-16 -- 68.4 Кб -- 09.04.2016
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