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Search results for pulsating stars
New type of pulsating white dwarf star discovered
May 01, 2008 |
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University of Texas at Austin astronomers Michael H. Montgomery and Kurtis A. Williams, along with graduate student Steven DeGennaro, have predicted and confirmed the existence of a new type of variable star, ...
Pulsating White Dwarfs Explained by 'Accidental Astronomer'
Space & Earth / Space Exploration
Jul 28, 2009 |
3 / 5 (2) |
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(PhysOrg.com) -- Exploring distant parts of the galaxy, astrophysicist Denis Sullivan has collaborated on the discovery of about six extrasolar planets--not bad for an accidental astronomer.
Research sheds new light on neutron stars (w/ Video)
Nov 02, 2009 |
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(PhysOrg.com) -- Research by Michigan State University scientists has shed new light on the properties of neutron stars, galactic oddities that are formed when a large star runs out of fuel and collapses.
A New Method of Estimating Stellar Distances
Dec 21, 2009 |
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(PhysOrg.com) -- The star Chi Cygni is located about 550 light-years away, in the direction of the constellation of Cygnus the Swan. It is a notable star because, unlike the sun which still burns hydrogen ...
UD astronomers coordinating international observatories in white-dwarf watch
Mar 26, 2008 |
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Judi Provencal is star-struck, but not so much by the glitz and glam of Hollywood. You have to look heavenward through a telescope to see the object of her fascination--to pale stars called white dwarfs, their ...
Milky Way seen to be a galactic cannibal
Apr 07, 2008 |
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A stream of debris across the sky is the result of intergalactic cannibalism, researchers from The Australian National University conclude, and it is the not the first time our galaxy has had one of its neighbours for breakfast.
Pinning down the Milky Way's spin
Sep 19, 2008 |
4.2 / 5 (26) |
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New, very precise measurements have shown that the rotation of the Milky Way is simpler than previously thought. A remarkable result from the most successful ESO instrument HARPS, shows that a much debated, ...
Light echoes whisper the distance to a star
Feb 11, 2008 |
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Taking advantage of the presence of light echoes, a team of astronomers have used an ESO telescope to measure, at the 1% precision level, the distance of a Cepheid - a class of variable stars that constitutes ...
Fermi Large Area Telescope Reveals Pulsing Gamma-Ray Sources
Sep 22, 2009 |
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(PhysOrg.com) -- Scientists at the Naval Research Laboratory Space Science Division and a team of international researchers have positively identified cosmic sources of gamma-ray emissions through the discovery ...
Kepler and the Search for Life in Our Galaxy
Sep 15, 2009 |
4.3 / 5 (9) |
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(PhysOrg.com) -- There are so many stars in our galaxy that even if planets with complex life (animals and plants) are rare - say one for every billion stars - there could still be dozens here in the Milky ...
To sing like Shakira, press '1' now
Technology / Computer Sciences
Jun 30, 2008 |
1.8 / 5 (4) |
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Vibrato -- the pulsating change of pitch in a singer's voice -- is an important aspect of a singer's expression, used extensively by both classical opera singers and pop stars like Shakira. Usually, the quality of a vibrato ...
Close-up photos of dying star show our sun's fate (w/ Video)
Dec 15, 2009 |
5 / 5 (21) |
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(PhysOrg.com) -- About 550 light-years from Earth, a star like our Sun is writhing in its death throes. Chi Cygni has swollen in size to become a red giant star so large that it would swallow every planet ...
Fermi Large Area Telescope reveals pulsing gamma-ray sources
Sep 09, 2009 |
4.6 / 5 (12) |
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Scientists at the Naval Research Laboratory (NRL) Space Science Division and a team of international researchers have positively identified cosmic sources of gamma-ray emissions through the discovery of 16 ...
Zeroing in on Hubble's constant
Jan 05, 2009 |
4.3 / 5 (12) |
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(PhysOrg.com) -- In the early part of the 20th Century, Carnegie astronomer Edwin Hubble discovered that the universe is expanding. The rate of expansion is known as the Hubble constant. Its precise value ...
6 aurora-research rockets to launch from Poker Flat
Space & Earth / Space Exploration
Feb 09, 2007 |
4.5 / 5 (4) |
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Scientists from the University of Alaska Fairbanks and the University of New Hampshire have experiments ready on the launch rails at Poker Flat Research Range north of Fairbanks, and another scientist is waiting in New Hampshire ...
