Astronomy News and Research Archives Page 14
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 | A NASA satellite designed, built and controlled by the University of Colorado at Boulder is expected to help scientists resolve wide-ranging predictions about the coming solar cycle peak in 2012 and its influence on Earth's warming climate, according to the chief scientist on the project. ...> Full Article |
UC Davis physics professor J. Anthony Tyson will testify before Congress on Thursday, Nov. 8, on near-Earth asteroids. Tyson will talk about the potential role of the proposed Large Synoptic Survey Telescope (LSST) in surveying the sky for objects that might eventually strike our planet. The hearing of the House Committee on Science and Technology will begin at 10 a.m. in room 2318 of the Rayburn Office Building.
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Most people have a few gigabytes of files on their PC. In the next decade, astronomers expect to be processing 10 million gigabytes of data every hour from the Square Kilometre Array telescope.
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 | ESA's comet chaser, Rosetta, is on its way to its second close encounter with Earth on 13 November. The spacecraft's operators are leaving no stones unturned to make sure Earth's gravity gives it the exact boost it needs en route to its destination. ...> Full Article |
 | On 25 September, students around the world watched with bated breath as their creation, the second Young Engineers Satellite (YES2) experiment, reached its dramatic conclusion. ...> Full Article |
 | Scientists have made an important discovery about the highest-energy cosmic rays that hit the Earth - and the discovery leads back to supermassive black holes. ...> Full Article |
A new astronomical study adds an unexpected twist to the complications: stars well-endowed with gold and other heavy elements have fewer stellar companions. Researchers believe their discovery could help track down Earth-like planets outside of our solar system.
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 | A team of American astronomers announced the discovery of a record-breaking fifth planet around the nearby star 55 Cancri, making it the only star aside from the sun known to have five planets. ...> Full Article |
 | Watching the stars set from the surface of the Earth may be a romantic pastime but when a spacecraft does it from orbit, it can reveal hidden details about a planet's atmosphere. ...> Full Article |
 | University of Leicester astrophysicist, Professor Martin Turner, is playing a major role in investigating the origins of the universe with the help of Xeus ...> Full Article |
 | As reservoirs of valuable information go, nothing beats the sun. This sphere of heat and energy holds 99.9 percent of the solar system, saved in all original proportions after planets and meteorites formed. Analyzing the mix of hydrogen, oxygen and noble gases found in the sun can answer one of the biggest questions of the universe: How did our solar system evolve? ...> Full Article |
 | The radar system on ESA's Mars Express has uncovered new details about some of the most mysterious deposits on Mars: The Medusae Fossae Formation. It has given the first direct measurement of the depth and electrical properties of these materials, providing new clues about their origin. ...> Full Article |
 | A researcher is part of the leading team of planet-hunting astronomers that have announced the discovery of three new planets today ...> Full Article |
Astronomers have created models for 14 different types of solid planets that might exist in our galaxy.
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 | Astronomers have found that a supernova discovered last year was caused by two colliding white dwarf stars. The white dwarfs were siblings orbiting each other. They slowly spiraled inward until they merged, touching off a titanic explosion. Observations show the strongest evidence yet of what was, until now, a purely theoretical mechanism for creating a supernova. ...> Full Article |
 | All five of the planets visible with the unaided eye will be on display during November nights, but the special attraction will be Mars. The red planet is approaching Earth in its orbit, and it won't appear as large again for another nine years. ...> Full Article |
 | Stars always evolve in the universe in large groups, known as clusters. Astronomers distinguish these formations by their age and size. The question of how star clusters are created from interstellar gas clouds and why they then develop in different ways has now been answered by researchers at the Argelander Institute for Astronomy at the University of Bonn with the aid of computer simulations. The scientists have solved -- at least at a theoretical level -- one of the oldest astronomical puzzles, namely the question of whether star clusters differ in their internal structure. ...> Full Article |
 | A pair of galaxies, known collectively as Arp 87, is one of hundreds of interacting and merging galaxies known in our nearby Universe. Arp 87 was originally discovered and catalogued by astronomer Halton Arp in the 1970s. Arp's Atlas of Peculiar Galaxies is a compilation of astronomical photographs using the Palomar 200-inch Hale and the 48-inch Samuel Oschin telescopes. ...> Full Article |
 | Using two NASA satellites, astronomers have discovered a black hole that obliterates a record announced just two weeks ago. The new black hole, with a mass 24 to 33 times that of our Sun, is the heftiest known black hole that orbits another star. ...> Full Article |
Mars, like Earth, is a climate-fickle water planet. The main difference, of course, is that water on the frigid Red Planet is rarely liquid, preferring to spend almost all of its time traveling the world as a gas or churning up the surface as ice. That's the global picture literally and figuratively coming into much sharper focus as various Mars-orbiting cameras send back tomes of unprecedented super high-resolution imagery of ever vaster tracts of the planet's surface.
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Comet 17P/Holmes may be old, but it can still kick up its heels and go dancing with the stars! It was discovered more than 100 years ago, and since then has made 16 loops around the Sun. It should have fizzled long ago, but just this week Comet Holmes surprised sky watchers with a stunning outburst, becoming brighter than any comet in the past decade.
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 | A narrow belt harboring moonlets as large as football stadiums discovered in Saturn's outermost ring probably resulted when a larger moon was shattered by a wayward asteroid or comet eons ago. ...> Full Article |
 | Exploding stars that light the way for research on dark energy aren't as powerful or bright, on average, as they once were. ...> Full Article |
 | New images taken with NASA's Hubble Space Telescope - part of a research project led by UC Riverside's Gabriela Canalizo - have revealed the wild side of an elliptical galaxy, nearly two billion light-years away, that previously had been considered mild-mannered. ...> Full Article |
 | Scientists scouting potential landing sites for NASA's next Mars rover mission are using new data from a powerful mineral-mapping camera to narrow the site selection. ...> Full Article |
Astronomers unmask hundreds of black holes hidden in galaxies billions of light-years away.
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 | A once-faint comet has made a sudden leap from obscurity to center stage. Comet 17P/Holmes, now visible to northern hemisphere residents, increased its brightness by a factor of one million this week, going from magnitude 17 to 2. This makes it visible to the unaided eye as well as binoculars and telescopes, offering a unique viewing opportunity for sky watchers. ...> Full Article |
 | An unusual cold spot in the oldest radiation in the universe, the cosmic microwave background, may be caused by a cosmic defect created just after the Big Bang, a Spanish and U.K. research team reports in Science Express. ...> Full Article |
Stars in dwarf spheroidal galaxies behave in a way that suggests the galaxies are utterly dominated by dark matter, astronomers have found.
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 | A spectacular new image shows how complex a star's afterlife can be. ...> Full Article |
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