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443 matches found for "black holes"

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First black holes may have incubated in giant, starlike cocoons

The formation process involved two stages, said Mitchell Begelman, a professor and the chair of CU-Boulder's astrophysical and planetary sciences department. The predecessors to black hole format...

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New study confirms exotic electric properties of graphene

Not only is this the thinnest material possible, but it also is 10 times stronger than steel and it conducts electricity better than any other known material at room temperature. These and graphene�...

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NASA's Great Observatories Celebrate International Year of Astronomy

In celebration of this International Year of Astronomy, NASA is releasing images of the galactic center region as seen by its Great Observatories to more than 150 planetariums, museums, nature centers...

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Swift XMM-Newton Satellites Tune Into a Middleweight Black Hole

"Intermediate-mass black holes contain between 100 and 10,000 times the sun's mass," explained Tod Strohmayer, an astrophysicist at Goddard. "We observe the heavyweight black holes...

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NASA's Fermi Telescope Detects Gamma-Rays From "Star Factories" in Other Galaxies

"Starburst galaxies have not been accessible in gamma rays before," said Fermi team member Seth Digel, a physicist at SLAC National Accelerator Laboratory in Menlo Park, Calif. "Most of...

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New Celestial Map Gives Directions for GPS

The system works well, and millions rely on it every day, but what tells the GPS satellites where they are in the first place? "For GPS to work, the orbital position, or ephemeris, of the...

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Sky merger yields sparkling dividends

Not surprisingly, interacting galaxies have a dramatic effect on each other. Studies have revealed that as galaxies approach one another massive amounts of gas are pulled from each galaxy towards the ...

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New Vista of Milky Way Center Unveiled

Permeating the region is a diffuse haze of X-ray light from gas that has been heated to millions of degrees by winds from massive young stars – which appear to form more frequently here than elsewhere...

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Invading black holes explain cosmic flashes

The flashes, known as gamma ray bursts, are beams of high energy radiation – similar to the radiation emitted by explosions of nuclear weapons – produced by jets of plasma from massive dying stars. ...

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Vernon Lecture Series Delves Into Mysteries of the Cosmos

Nationally known speakers will transport audiences on a quest to find new planets on Sept. 26, journey back in time to see how modern astronomy was really invented on Oct. 17, and explore the prospect...

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Swift Makes Best-ever Ultraviolet Portrait of Andromeda Galaxy

"Swift reveals about 20,000 ultraviolet sources in M31, especially hot, young stars and dense star clusters," said Stefan Immler, a research scientist on the Swift team at NASA's Goddar...

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Sophisticated telescope camera debuts with peek at nest of black holes

A team led by astronomy professor Stephen Eikenberry late last week captured the first images of the cosmos ever made with a UF-designed and built camera/spectrometer affixed to the Gemini South teles...

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University of Nevada, Reno researcher uses 100,000 degree heat to study plasma

Using one of the greatest sources of radiation energy created by man, University of Nevada, Reno researcher and faculty member Roberto Mancini is studying ultra-high temperature and non-equilibrium pl...

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Giant Galaxy Hosts the Most Distant Supermassive Black Hole

The galaxy, so distant that it is seen as it was 12.8 billion years ago, is as large as the Milky Way galaxy and harbours a supermassive black hole that contains at least a billion times as much matte...

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NGC 4945: The Milky Way’s not-so-distant Cousin

Though the galaxy is seen edge-on, observations of NGC 4945 suggest that this hive of stars is a spiral galaxy much like our own, with swirling, luminous arms and a bar-shaped central region. These re...

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