Weird floating crystals can stop stars ageing for billions of years
6 March 2024
Some white dwarfs seem to stop ageing for billions of years, and this may be due to the behaviour of unusual ice crystals that heat up the stars
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Premium
Found 22 results for dwarf planet
First hints of a planet orbiting in a white dwarf’s habitable zone
11 February 2022
Astronomers have found 65 evenly spaced rocks orbiting a white dwarf star in its habitable zone, hinting that a planet’s gravity may be holding them there
Super-Earth spotted hiding in plain sight around neighbouring star
21 November 2018
After years of searching, a planet several times larger than Earth has been discovered orbiting Barnard's star – the closest star to Earth after the Alpha Centauri system
New Super-Earth looks habitable and could reveal signs of life
26 April 2017
A newly found exoplanet is in the middle of its star's habitable zone and its atmosphere might have biomolecules we could detect
Pluto and its moon snuggle under a shared atmosphere
4 June 2014
Nitrogen from Pluto's atmosphere could be flowing over to its moon Charon – something we've never seen in a planet and moon before
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
Newly found brown dwarf is ultra-cool
9 March 2011
A recently discovered object is at room temperature, much cooler than other failed stars
How to sort the dwarfs from the planets
5 January 2011
A newly discovered dearth of cosmic objects at a particular range of masses could provide a clean way to divide planets and brown dwarfs
Half-eaten dwarf planet reveals chemical secrets
30 June 2010
The half-digested remains of a dwarf planet could provide the best window yet into the chemical make-up of alien solar systems
Failed stellar bombs hint at supernova tipping point
18 November 2009
Two peculiar white dwarfs with more oxygen than carbon are like nothing anybody has seen before
