News tagged with astrophysical journal letters
Related topics: galaxies , astrophysical journal , milky way , solar system , black holes
Swift Survey finds 'Smoking Gun' of Black Hole Activation (w/ Video)
(PhysOrg.com) -- Data from an ongoing survey by NASA's Swift satellite have helped astronomers solve a decades-long mystery about why a small percentage of black holes emit vast amounts of energy.
May 26, 2010 |
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The IBEX Ribbon: Are we in for a new era in the Sun's voyage through the Galaxy?
Is the Sun going to enter soon a million-degree galactic cloud of interstellar gas? Scientists from the Space Research Centre of the Polish Academy of Sciences, Los Alamos Labs, Southwest Research Institute, ...
May 26, 2010 |
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Hubble Finds Star Eating a Planet
(PhysOrg.com) -- The hottest known planet in the Milky Way galaxy may also be its shortest-lived world. The doomed planet is being eaten by its parent star, according to observations made by a new instrument ...
May 20, 2010 |
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The case of the grown-up galaxy
(PhysOrg.com) -- It seems, early on its life, our Universe was a place of extremes.
May 20, 2010 |
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Unique eclipsing binary star system discovered
(PhysOrg.com) -- Astrophysicists at UC Santa Barbara are the first scientists to identify two white dwarf stars in an eclipsing binary system, allowing for the first direct radius measurement of a rare white ...
May 19, 2010 |
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Mysterious Cosmic 'Dark Flow' Tracked Deeper into Universe (w/ Video)
(PhysOrg.com) -- Distant galaxy clusters mysteriously stream at a million miles per hour along a path roughly centered on the southern constellations Centaurus and Hydra. A new study led by Alexander Kashlinsky ...
Mar 10, 2010 |
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A Stellar, Metal-Free Way to Make Carbon Nanotubes
(PhysOrg.com) -- Space apparently has its own recipe for making carbon nanotubes, one of the most intriguing contributions of nanotechnology here on Earth, and metals are conspicuously missing from the list ...
Nanotechnology / Nanomaterials
Feb 22, 2010 |
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Solar Scientists Use 'Magnetic Mirror Effect' to Reproduce IBEX Observation
(PhysOrg.com) -- Ever since NASA's Interstellar Boundary Explorer, or IBEX, mission scientists released the first comprehensive sky map of our solar system's edge in particles, solar physicists have been busy ...
Jan 12, 2010 |
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Scientists discover fog on Titan
Saturn's largest moon, Titan, looks to be the only place in the solar system—aside from our home planet, Earth—with copious quantities of liquid (largely, liquid methane and ethane) sitting on its surface. ...
Space & Earth / Space Exploration
Dec 18, 2009 |
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Team using Subaru Telescope makes major discovery
An international team of scientists that includes an astronomer from Princeton University has made the first direct observation of a planet-like object orbiting a star similar to the sun.
Dec 03, 2009 |
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Monster Waves on the Sun are Real (w/ Video)
Sometimes you really can believe your eyes. That's what NASA's STEREO (Solar Terrestrial Relations Observatory) spacecraft are telling researchers about a controversial phenomenon on the sun known as the "solar ...
Nov 25, 2009 |
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Mystery of the Solar Tsunami -- Solved (w/ Video)
(PhysOrg.com) -- Sometimes you really can believe your eyes. That's what NASA's Solar Terrestrial Relations Observatory (STEREO) is telling researchers about a controversial phenomenon on the sun known as ...
Nov 19, 2009 |
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Dirty stars make good solar system hosts (w/ Video)
Some stars are lonely behemoths, with no surrounding planets or asteroids, while others sport a skirt of attendant planetary bodies. New research published this week in The Astrophysical Journal Letters explains why the co ...
Oct 06, 2009 |
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How to Make a Planet: Spitzer Spots Clump of Swirling Planetary Material
(PhysOrg.com) -- Astronomers have witnessed odd behavior around a young star. Something, perhaps another star or a planet, appears to be pushing a clump of planet-forming material around. The observations, ...
Sep 23, 2009 |
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First black holes born starving (w/ Video)
The first black holes in the universe had dramatic effects on their surroundings despite the fact that they were small and grew very slowly, according to recent supercomputer simulations carried out by astrophysicists ...
Aug 10, 2009 |
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