White dwarf

NASA's Hubble spies on atmosphere of white dwarf being polluted by enormous comet-like object for the first time!

NASA's Hubble spies on atmosphere of white dwarf being polluted by enormous comet-like object for the first time!

With a chemical composition similar to Halley's comet, the object is 100,000 times more gigantic and contains water, the amount of which is much higher.

Feb 09, 2017, 22:27 PM IST
Hubble sees colorful ‘last hurrah’ of a sun-like star! (See pic)

Hubble sees colorful ‘last hurrah’ of a sun-like star! (See pic)

The image shows the colorful "last hurrah" of NGC 2440, which lies about 4,000 light-years from Earth in the direction of the constellation Puppis.

Sep 24, 2016, 03:07 AM IST
White dwarf found lashing red dwarf in space

White dwarf found lashing red dwarf in space

Astronomers have discovered a new type of exotic binary star system, in which a rapidly spinning white dwarf star is lashing the companion red dwarf star with high-energy particles, causing the entire system to pulse dramatically every 1.97 minutes with radiation ranging from the ultraviolet to radio.

Jul 29, 2016, 00:48 AM IST