Posts Tagged ‘white dwarfs’
Stars gobble up Earth-like exoplanets
U. WARWICK (UK) — Astrophysicists have pinpointed four white dwarfs surrounded by dust from shattered planetary bodies that once bore striking similarities to the composition of the Earth. Continue…
Friday, May 4, 2012 10:47 - 0 Comments
Top Stories - Dec 16, 2011 11:04 - 2 Comments
Supernova fireworks shed light on cosmos
CALTECH (US) — The brightest and closest stellar explosion seen from Earth in 25 years offers the most detailed picture yet of how this kind of explosion happens. (more…)
Science & Technology - Oct 21, 2011 10:49 - 1 Comment
How ‘blue stragglers’ stay forever young
NORTHWESTERN (US) — To maintain their youthful bright appearance, old stars called blue stragglers eat up the outer envelope of giant-star companions, stripping them down to their white dwarf core in a process called mass transfer. (more…)
Science & Technology - Jul 15, 2011 15:06 - 1 Comment
Binary stars have a fatal attraction
U. TEXAS-AUSTIN (US) — A pair of burnt-out stars spiraling into one another at breakneck speeds will merge and possibly explode as a supernova in about 900,000 years. (more…)
Science & Technology - May 25, 2011 12:50 - 0 Comments
Double trouble: Feuding white dwarfs
U. WARWICK (UK) — Researchers have found an unusual double star system made up of feuding white dwarfs. Each star appears to be stripped down to just its helium. (more…)
Science & Technology - Apr 12, 2011 10:24 - 0 Comments
To find life, search near dying stars
U. WASHINGTON (US) —The best place to look for planets that can support life may be around dim, dying stars called white dwarfs. (more…)
Science & Technology - Mar 9, 2010 18:22 - 2 Comments
These two dwarfs orbit close and quick
U. WARWICK (UK)—The stars in HM Cancri, the smallest known binary, revolve around each other in just 5.4 minutes—the shortest known orbital period for any binary. (more…)
