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Space & Earth science / Astronomy news 1234

Lenses galore -- Hubble finds large sample of very distant galaxies

20 hours ago | User rating: 4.6 / 5 after 8 vote(s) | User comments: 2

By using the gravitational magnification from six massive lensing galaxy clusters, the NASA/ESA Hubble Space Telescope has provided scientists with the largest sample of very distant galaxies seen to date. ...


The Pole star comes to life again

July 21, 2008 | User rating: 4.5 / 5 after 46 vote(s) | User comments: 8

(PhysOrg.com) -- The Northern Star, whose vibrations were thought to be dying away, appears to have come to life again.


Ancient Galactic Magnetic Fields Stronger than Expected

July 23, 2008 | User rating: 4.5 / 5 after 21 vote(s) | User comments: 11

(PhysOrg.com) -- Mining the far reaches of the universe for clues about its past, a team of scientists including Philipp Kronberg of Los Alamos National Laboratory has proposed that magnetic fields of ancient galaxies like ...


The Quiet Explosion: Object intermediate between normal supernovae and gamma-ray bursts found

19 hours ago | User rating: 4.3 / 5 after 6 vote(s) | User comments: 1

A European-led team of astronomers are providing hints that a recent supernova may not be as normal as initially thought. Instead, the star that exploded is now understood to have collapsed into a black hole, producing a ...


Polarizing filter allows astronomers to see disks surrounding black holes

July 23, 2008 | User rating: 4.1 / 5 after 19 vote(s) | User comments: 2

(PhysOrg.com) -- For the first time, a team of international researchers has found a way to view the accretion disks surrounding black holes and verify that their true electromagnetic spectra match what astronomers ...


Spitzer Reveals 'No Organics' Zone Around Pinwheel Galaxy

July 21, 2008 | User rating: 3.9 / 5 after 14 vote(s) | User comments: 4

(PhysOrg.com) -- The Pinwheel galaxy is gussied up in infrared light in a new picture from NASA's Spitzer Space Telescope.