Astrophile: Undead stars rise again as supernovae
28 October 2011
If a tribe of dormant, winking stars really are on the verge of going supernova, they will help reveal dark energy's true nature
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Premium
Found 465 results for dwarf planet
Pluto's rival is tinier but shinier than thought
19 October 2011
Eris, the dwarf planet that got Pluto kicked out of the planet club, is actually no bigger than Pluto, new observations suggest – but it's blindingly bright
Chile's high oasis of huge telescopes
12 October 2011
A mountain in a Chilean desert boasts some of the best telescopes on Earth – but visiting them is not for faint-hearted stargazers
Astrophile: Star exploded? Just another day in Arp 220
7 October 2011
If our galaxy was a couple of kids with sparklers, Arp 220 would be the most eye-popping fireworks display you've ever seen
Astrophile: The most surreal sunset in the universe
15 September 2011
Reminiscent of Tatooine in Star Wars, a planet has been discovered in orbit around two stars
Pluto's icy exterior may conceal an ocean
14 September 2011
If the dwarf planet's core has as much radioactive potassium as scientists think, it may have a subsurface ocean and the conditions to sustain life
Astrophile: The diamond as big as a planet
25 August 2011
A large, dense planet has been found orbiting a pulsar – and it just might be made of solid diamond
Alien life may huddle under hydrogen blankets
11 May 2011
Earth-sized worlds far from the warmth of their stars could maintain liquid water and life if they are well wrapped by hydrogen in their atmospheres
'Dwarf' black holes might help explain dark matter
4 May 2011
Black holes might come in more sizes than small, medium and large – if so, mini black holes could contribute to the universe's mysterious dark matter
Newly found brown dwarf is ultra-cool
9 March 2011
A recently discovered object is at room temperature, much cooler than other failed stars
