Massive white dwarf in our galaxy may go supernova
(PhysOrg.com) -- A massive white dwarf star in our galaxy may become a supernova several million years from now, and could damage the Earth and possibly destroy life on Earth.
Page 8 - News tagged with dwarf companion
A faint star orbiting the Big Dipper's Alcor discovered
Next time you spy the Big Dipper, keep in mind that there is another star, invisible to the unaided eye, contributing to this constellation.
Astronomy
Dec 10, 2009
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XMM-Newton uncovers a celestial Rosetta stone
(PhysOrg.com) -- ESA's XMM-Newton orbiting X-ray telescope has uncovered a celestial Rosetta stone: the first close-up of a white dwarf star, circling a companion star, that could explode into a particular kind of supernova ...
Astronomy
Sep 3, 2009
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Study plunges standard Theory of Cosmology into Crisis
As modern cosmologists rely more and more on the ominous “dark matter” to explain otherwise inexplicable observations, much effort has gone into the detection of this mysterious substance in the last two decades, yet ...
General Physics
May 5, 2009
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HARPS-NEF to comb Kepler targets for new Earths
Astronomers have announced plans to build an ultra-stable, high-precision spectrograph for the Science and Technology Facilities Council's 4.2-m William Herschel Telescope (WHT - part of the Isaac Newton Group or ING on La ...
Astronomy
Apr 20, 2009
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