Star chameleon confusing astronomers

Pulsars - are tiny rotating stars that mystified scientists since their discovery in 1967. They are smaller than the size of the world's average, but weigh more than the sun.New observations of the international team of scientists, including astrophysics from the University of Vermont Joanna Rankin, do these bizarre star even more incomprehensible.Scientists have discovered a pulsar, which can dramatically change its radiation. In just a few seconds the star can mute your radio, but at the same time, its X-ray emission is much brighter.The study "challenges all the recent theory of pulsar Read more [...]
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Solar system comet visited poisonous Lemmon

Comet Lemmon (C/2012 F6), shining brighter than expected, silently glides through the sky in the southern hemisphere at a distance of about 92 million km (0.99 a. AU) from the Earth. Amateur astronomer Rolf Olsen Wyle took this picture in Auckland, New Zealand."I watched the comet Lemmon January 28 - says Olsen. - It was quite bright, and gained a big beautiful tail. "The comet, discovered March 23, 2012 on Mount Lemmon, Arizona, USA (for which he received the name), is on an elliptical orbit with a period of about 11,000 years. This is her first visit to the solar system Read more [...]
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Asteroid 2012 DA14 will touch the Earth

Record closer to objects of similar size to change the orbit of asteroid, and with us did not happen. At least the forecast was voiced by scientists.15 February 2012 DA14 small asteroid will pass so close to Earth that will be inside the ring of geostationary weather satellites and communications satellites. NASA claims that the observations that are exactly predict the trajectory of near-Earth objects and the probability of collision exists. But the unique opportunity to study the asteroid.The time of closest approach - 23:24 in Moscow (19:24 GMT), the distance - about 27,700 km (about 13 Read more [...]
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Curiosity began drilling on Mars

American rover tried drilling system Red Planet's surface in the crater Gale. Percussion drill for a short time to peck, not rotating, flat area rocky rocks, where a mobile laboratory to land in August last year, reports BBC.At taken before and after photographs of drilling done in the visible rock grooves. Though earlier machines were capable of such samples scouring the rocky surface, Curiosity has this drilling system consisting of several instruments.Notes that this is only the first step in the implementation of a two-year research program.The drilling process is divided by experts in Read more [...]
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In March 2013 will see the comet C/2011 L4

Astronomers hope that in March 2013 the comet C/2011 L4 will be visible to the naked eye. Even if the convergence of the comet C/2011 L4 with the Earth will not be very spectacular event, many of us are also hoping that in this near-solar comet will be visible even from the non-professional lenses, and if you are very lucky, and the naked eye.Comet C/2011 L4 is a non-periodic comet. There is a small chance that it could become a great comet, when it will be near perihelion in March 2013.Comet C/2011 L4 was opened on 6 June 2011, with the telescope Pan-STARRS, located near the summit of Haleakala Read more [...]
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Astronomers have discovered a hurricane-ouroboros in Saturn's atmosphere

U.S. probe "Cassini" discovered on Saturn unusual giant hurricane, which is a huge ring, encircling the planet, making it similar to the mythical Ouroboros snake biting its own tail, say astronomers in a paper in the journal Icarus."This storm with its thunder and lightning was a true giant. Hurricane did not abate for a long time, its" head "continued to rage within 201 days. Each day the storm is passed through such a quantity of air, the atmosphere of the Earth would have been completely devastated in 150 days if this cataclysm happened on this planet, "- said Kunio Read more [...]
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Asteroid 2012 DA14 — February 15 will fly at a record close distance from Earth

February 15 asteroid 2012 DA14 having the size of half a football field will fly past Earth closer than many are satellites. In the entire history of modern astronomy, astronomers have never seen such a large object (58 meters), flying so close to our planet (17200km).Category: Space Read more [...]
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Amazing Mars

January 23, 2013 at the Moscow Planetarium hosted a lecture Vladimir G. Surdina "Amazing Mars" in the series of lectures "Tribune scientist."
Category: Space
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2013 will be generous for comet

2013 promises to please astronomers and anyone interested in the stars, the present crop of comets. There will be more than 2007. Recall in 2007 is considered the most generous in the spectacle of this kind. In 2007, the world watched Comet McNaught (C/2006 P1), also known as the Great Comet of 2007. It was the brightest comet in 40 years. Comet opened August 7, 2006 British-Australian astronomer Robert McNaught, was subsequently named in his honor. Residents of the southern hemisphere admired her huge, unusual in form tail in early January 2007. Comet McNaught was also the most photogenic Read more [...]
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Hot Jupiters accused of shading and cooling stars

Astronomers have discovered the first case of the appearance of dark spots on the star because of the actions of circulating around the so-called hot Jupiter. Scientists using the Kepler space telescope observed the change in luminosity HAT-P-7? star located at a distance of 1044 light-years from Earth in the constellation Cygnus. Drawn to the short distance from her considerable size exoplanet HAT-P-7b its gravitational pull pulls on some of the substance from the surface of the luminary. As a result, it is removed from the center of the heated, cooled, and there is a dark spot. Preprint Read more [...]
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Astronomers have discovered an unusual double star

Astronomers at the University of Massachusetts Amherst have reported finding unusual young star, which, in fact, may be the two stars orbiting each other at very close range.The observations were made with the Spitzer Space Telescope in infrared light. Scientists follow the object, designated LRLL 54,361, for several years. During this time, was revealed an interesting pattern: every day 25.34 object became 10 times brighter. According to researchers, most likely, this is due to the gravitational influence of the companion star, which temporarily inhibits getting to the central star of gas and Read more [...]
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South Korean scientists weighed a giant black hole

South Korean group of researchers from the observatory Eso published in the journal Nature a new method by which they measured a giant black hole in the galaxy NGC 4526. According to Frankfurter Rundschau, the mass of the space object was equal to the mass of 500 million Suns."As the" weights "astronomers used the movement of the molecular gas, in this case, carbon monoxide, moving around the black hole. On motion of gas clouds can measure the force of gravity of the black hole, and from it to determine the mass" - says the publication.The article notes that earlier scholars Read more [...]
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Rings of Saturn and the other systems of the mysteries of the giant planets

When you look at the planets in our solar system, including Saturn stands out with its bright rings. True, astronomers still can not say for sure, with what this brilliance connected ...Ring has many planets in our system. Except that they are not nearly as shiny as Saturnian, and the mass difference will not help. Indeed, the main rings sparkle comes from particles of water ice (90% of the particles) with their extremely high albedo. However, if you often travel by car on the Russian roads, you probably noticed: the ice is rarely long stays clean. In the rings of Jupiter and Neptune (and Read more [...]
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Urals. Attack from outer space. Aired 2/19/2013. TV Center

February 15 at 9:20 am local time in the sky over the Chelyabinsk region appeared bright, rapidly hurtling toward Earth object reserves the white trail. Then there was a flash and heard a huge explosion. From the local observatory said: "Over the Urals region recorded meteor rain as cars." The blast shattered windows in homes and damaged the roof. There are hundreds of victims. Only by sheer luck no one was killed. What exactly has flown in the skies over the Chelyabinsk and the nature of this object? Why search for fragments of the meteorite long time nothing was how the scientists Read more [...]
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