News tagged with white dwarfs

Related topics:

Will V445 puppis become a Ia supernova?

As the “V” in the designation of V445 Puppis indicates, this star was a variable star located in the constellation of Puppis. It was a fairly ordinary periodic variable, although with a rather complex ...

dateDec 06, 2010 in Astronomy
shares0 comments 1

New Greek observatory sheds light on old star

(Phys.org)—Continuing a tradition stretching back more than 25 centuries, astronomers have used the new 2.3-m 'Aristarchos' telescope, sited at Helmos Observatory (2340m high) in the Pelοponnese Mountains ...

dateFeb 28, 2013 in Astronomy
shares0 comments 0

Giant Planet Set for a Cataclysmic Show

(PhysOrg.com) -- A team of Chinese astronomers have discovered a giant planet close to the exotic binary star system QS Virginis. Although dormant now, in the future the two stars will one day erupt in a violent ...

dateDec 16, 2009 in Astronomy
shares0 comments 4

Oddball stars discovered in new Hubble images

(PhysOrg.com) -- Professor Adrienne Cool has discovered 24 unusual stars in an ancient star cluster in the Milky Way. Made of helium rather than the usual carbon and oxygen, these white dwarf stars appear ...

dateApr 27, 2009 in Astronomy
shares0 comments 14

'Teapot' nova begins to wane

A star, or nova, has appeared in the constellation of Sagittarius and, even though it is now waning, it is still bright enough to be visible in the sky over Perth through binoculars or a telescope.

dateMar 27, 2015 in Astronomy
shares1342 comments 2

Binary white dwarf stars

(PhysOrg.com) -- When a star like our sun gets to be very old, after another seven billion years or so, it will no longer be able to sustain burning its nuclear fuel.

dateMay 04, 2011 in Astronomy
shares0 comments 0

Ancient white dwarf stars

(PhysOrg.com) -- Pushing the limits of its powerful vision, NASA's Hubble Space Telescope uncovered the oldest burned-out stars in our Milky Way Galaxy in this image from 2002. These extremely old, dim "clockwork ...

dateNov 03, 2011 in Astronomy
shares0 comments 2

Into the eye of the helix

(PhysOrg.com) -- The Helix Nebula, NGC 7293, lies about 700 light-years away in the constellation of Aquarius (the Water Bearer). It is one of the closest and most spectacular examples of a planetary nebula.

dateFeb 25, 2009 in Astronomy
shares0 comments 0

White Dwarf Stars Consume Rocky Bodies

“I love rocky road… So won’t you buy another gallon, baby…” Yeah. We all love rocky road ice cream, but what do stars like to snack on? In the case of the white dwarf star it would ...

dateAug 16, 2011 in Astronomy
shares0 comments 0