News tagged with distant stars
Researchers reveal unseen planet by its gravity
More than a 150 years ago, before Neptune was ever sighted in the night sky, French mathematician Urbain Le Verrier predicted the planet's existence based on small deviations in the motion of Uranus. In a ...
May 10, 2012 |
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Research group proposes first system for assessing the odds of life on other worlds
(PhysOrg.com) -- Within the next few years, the number of planets discovered in orbits around distant stars will likely reach several thousand or more. But even as our list of these newly discovered "exoplanets" ...
Nov 21, 2011 |
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Hubble confirms: galaxies are ultimate recyclers
(PhysOrg.com) -- New observations by NASA's Hubble Space Telescope are expanding astronomers' understanding of the ways in which galaxies continuously recycle immense volumes of hydrogen gas and heavy elements. ...
Nov 17, 2011 |
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Hubble uncovers tiny galaxies bursting with starbirth in early Universe
(PhysOrg.com) -- Using its infrared vision to peer nine billion years back in time, the NASA/ESA Hubble Space Telescope has uncovered an extraordinary population of tiny, young galaxies that are brimming with ...
Nov 10, 2011 |
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Faraway Eris is Pluto's twin: Dwarf planet sized up accurately as it blocks light of faint star
(PhysOrg.com) -- Astronomers have measured the diameter of the dwarf planet Eris by catching it as it passed in front of a faint star. This was seen by telescopes in Chile, including the TRAPPIST telescope ...
Oct 26, 2011 |
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Black hole, star collisions may illuminate universe's dark side
Scientists looking to capture evidence of dark matter -- the invisible substance thought to constitute much of the universe -- may find a helpful tool in the recent work of researchers from Princeton University ...
Sep 19, 2011 |
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Herschel Space Observatory discovers source of cosmic dust in a stellar explosion
(PhysOrg.com) -- ESA's Herschel Space Observatory is helping unravel the mystery of where cosmic dust comes from. Thanks to the resolution and sensitivity of Herschel, astronomers have been able to detect ...
Jul 07, 2011 |
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Astronomers discover that galaxies are either asleep or awake
(PhysOrg.com) -- Astronomers have probed into the distant universe and discovered that galaxies display one of two distinct behaviors: they are either awake or asleep, actively forming stars or are not forming ...
Jun 21, 2011 |
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New class of stellar explosions discovered
They're bright and blue-and a bit strange. They're a new type of stellar explosion that was recently discovered by a team of astronomers led by the California Institute of Technology (Caltech). Among the most ...
Jun 08, 2011 |
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New candidate for most distant object in universe
(PhysOrg.com) -- A gamma-ray burst detected by NASA's Swift satellite in April 2009 has been newly unveiled as a candidate for the most distant object in the universe. At an estimated distance of 13.14 billion ...
May 25, 2011 |
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Flipping hot Jupiters: Why some planets orbit the wrong way
(PhysOrg.com) -- In the last few years astronomers have observed that in some extrasolar systems the star is spinning one way and the planet, a "hot Jupiter," is orbiting the star in the opposite direction. ...
May 11, 2011 |
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Scientists investigate the possibility of wormholes between stars
(PhysOrg.com) -- Wormholes are one of the stranger objects that arise in general relativity. Although no experimental evidence for wormholes exists, scientists predict that they would appear to serve as shortcuts ...
Feb 25, 2011 |
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Light bending by a black hole may offer proof of extra dimensions
(PhysOrg.com) -- Researchers at the University of Pennsylvania report that a new test for measuring the ability of gravity to bend light seen from distant stars around large objects like black holes may offer proof of the ...
Nov 18, 2010 |
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Growing galaxies gently
The first galaxies formed before the Universe was less than one billion years old and were much smaller than the giant systems -- including the Milky Way -- that we see today. So somehow the average galaxy ...
Oct 13, 2010 |
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Astronomers Find Super-Earth Using Amateur, Off-the-Shelf Technology (w/ Video)
(PhysOrg.com) -- Astronomers announced today that they have discovered a "super-Earth" orbiting a red dwarf star 40 light-years from Earth. They found the distant planet with a small fleet of ground-based ...
Dec 16, 2009 |
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