Pinwheeling across the sky
(Phys.org) —The face-on Pinwheel spiral galaxy is seen at ultraviolet wavelengths in this image taken by ESA's XMM-Newton space telescope.
Astronomy
Jun 11, 2013
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News tagged with distant supernovae
Supernovae and the origin of cosmic rays
(Phys.org) —In the spring of the year 1006, one thousand and seven years ago this April, observers in China, Egypt, Iraq, Japan, Switzerland (and perhaps North America) reported seeing what might be the brightest stellar ...
Astronomy
Apr 22, 2013
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SN 1006: X-ray view of a thousand-year-old cosmic tapestry
(Phys.org) —This year, astronomers around the world have been celebrating the 50th anniversary of X-ray astronomy. Few objects better illustrate the progress of the field in the past half-century than the supernova remnant ...
Astronomy
Apr 17, 2013
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Suzaku 'post-mortem' yields insight into Kepler's supernova
(Phys.org) —An exploding star observed in 1604 by the German astronomer Johannes Kepler held a greater fraction of heavy elements than the sun, according to an analysis of X-ray observations from the Japan-led Suzaku satellite. ...
Astronomy
Apr 8, 2013
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Cassini sheds light on cosmic particle accelerators
(Phys.org)—During a chance encounter with what appears to be an unusually strong blast of solar wind at Saturn, NASA's Cassini spacecraft detected particles being accelerated to ultra-high energies. This is similar to the ...
Space Exploration
Feb 20, 2013
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Distant super-luminous supernovae found
(Phys.org)—Two 'super-luminous' supernovae - stellar explosions 10 to 100 times brighter than other supernova types - have been detected in the distant Universe.
Astronomy
Nov 1, 2012
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Berkeley Lab sensors enable first light for the dark energy camera
Early in the morning of September 12 the Dark Energy Camera (DECam), mounted on the Victor Blanco Telescope at the Cerro Tololo Inter-American Observatory in Chile, recorded its first images of a southern sky spangled with ...
Astronomy
Sep 17, 2012
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Multi-tasking supernova: Record-breaking stellar explosion helps understand far-off galaxy
(Phys.org)—Nature hath no fury like a dying star—and astronomers couldn't be happier...
Astronomy
Aug 30, 2012
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'Cosmic mirages' confirm accelerated cosmic expansion
(Phys.org) -- An international team of researchers led by Masamune Oguri at Kavli IPMU and Naohisa Inada at Nara National College of Technology conduced an unprecedented survey of gravitationally lensed quasars, and used ...
Astronomy
Apr 11, 2012
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Stars made from galactic recycling material
(PhysOrg.com) -- Ordinary galaxies such as our own Milky Way contain a plethora of gas and dust. Nevertheless, there is not nearly enough matter to explain how galaxies produce new stars at the observed rates for long. As ...
Astronomy
Mar 15, 2012
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