News tagged with white dwarf star

Related topics:

Something new under a (dead) sun

For all their enormous size and furious energies, stars are remarkably simple. Knowing just their mass and the smattering of elements heavier than hydrogen we can predict their lives from cradles to grave. But every now and ...

dateApr 01, 2016 in Astronomy
shares8 comments 0

What are the different kinds of supernovae?

There are a few places in the universe that defy comprehension. And supernovae have got to be the most extreme places you can imagine. We're talking about a star with potentially dozens of times the size and mass of our own ...

dateMar 15, 2016 in Astronomy
shares52 comments 0

Meanwhile, in a galaxy not so far, far away...

The fantasy creations of the "Star Wars" universe are strikingly similar to real planets in our own Milky Way galaxy. A super Earth in deep freeze? Think ice-planet "Hoth." And that distant world with double sunsets can't ...

dateDec 16, 2015 in Astronomy
shares730 comments 0

The hottest white dwarf in the Galaxy

Astronomers at the Universities of Tübingen and Potsdam have identified the hottest white dwarf ever discovered in our Galaxy. With a temperature of 250,000 degrees Celsius, this dying star at the outskirts of the Milky ...

dateNov 25, 2015 in Astronomy
shares37 comments 12