(Phys.org)—'Tis the season for holiday decorating and tree-trimming. Not to be left out, astronomers using NASA's Hubble Space Telescope have photographed a festive-looking nearby planetary nebula called NGC 5189. The intricate ...
Astronomy
Dec 18, 2012
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(Phys.org)—Astronomers using data from NASA's Wide-field Infrared Survey Explorer, or WISE, have discovered dust in an unusual place—just outside the reach of a binary star system with a short 3-hour orbit. The binary ...
Astronomy
Nov 14, 2012
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(Phys.org)—Over a thousand years ago, an explosion in faraway space occurred that was so bright that people reported being able to read by its light at midnight. The year was 1006 and the explosion was, scientists believe ...
(Phys.org)—In 1604, a new star appeared in the night sky that was much brighter than Jupiter and dimmed over several weeks. This event was witnessed by sky watchers including the famous astronomer Johannes Kepler. Centuries ...
Astronomy
Sep 11, 2012
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The research group from the University of Tokyo and Keio University discovered that a Type Ia supernova occurs after its companion star evolves into a faint helium white dwarf in many cases, given the fact that the white ...
Astronomy
Sep 4, 2012
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The exploding stars known as Type Ia supernovae serve an important role in measuring the universe, and were used to discover the existence of dark energy. They're bright enough to see across large distances, and similar enough ...
Astronomy
May 7, 2012
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(PhysOrg.com) -- Studies using X-ray and ultraviolet observations from NASA's Swift satellite provide new insights into the elusive origins of an important class of exploding star called Type Ia supernovae.
Astronomy
Mar 20, 2012
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(PhysOrg.com) -- Using NASA’s Hubble Space Telescope, astronomers have solved a longstanding mystery on the type of star, or so-called progenitor, which caused a supernova seen in a nearby galaxy. The finding yields ...
Astronomy
Jan 11, 2012
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(PhysOrg.com) -- Mysterious "blue stragglers" are old stars that appear younger than they should be: they burn hot and blue. Several theories have attempted to explain why they don't show their age, but, until now, scientists ...
Astronomy
Oct 19, 2011
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(PhysOrg.com) -- In the Hollywood blockbuster "Speed," a bomb on a bus is rigged to blow up if the bus slows down below 50 miles per hour. The premise - slow down and you explode - makes for a great action movie plot, and ...
Astronomy
Sep 6, 2011
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