Exoplanet found by measuring star's sideways shift
28 May 2009
An alien world has been found by observing subtle changes in a star's position in the sky for the first time – its star is also the lightest known to host a planet
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Premium
Found 393 results for dwarf planet
Orange stars are just right for life
6 May 2009
The universe's best real estate for life may be around stars a little less massive than the yellow sun but more massive than red dwarfs
Sibling worlds may be wettest and lightest known
21 April 2009
A planet orbiting a nearby red dwarf may be the first known water world, while its newly discovered neighbour is the lightest
Instant annihilation
18 February 2009
Mark Buchanan's article pointing to the implications of the minuscule possibility of the Large Hadron Collider producing a black hole is no doubt right to consider the difficulty of understanding the mathematical probability in realistic terms. But he...
What people thought about Pluto's demotion
26 January 2009
Read some of the letters complaining about the decision to strip Pluto of its planetary status
Smallest known exoplanet may actually be Earth-mass
19 January 2009
A tiny planet found last year might be even smaller than first thought – weighing just 1.4 times as much as Earth
2008: The year in astronomy
1 January 2009
Astronomers observed the most powerful explosion ever recorded, detected what may be dark matter and found hints of a fractal universe
2008: The year in the solar system
31 December 2008
Astronomers glimpsed unseen swathes of Mercury, found a space rock heading for Earth and landed a probe squarely on a patch of Martian ice
Milky Way's dimmest bulbs found
10 December 2008
An object that astronomers thought was a single brown dwarf is probably two dim ones instead – such faint objects may be quite common
Mysterious changes seen on distant dwarf planet
10 November 2008
The dwarf planet Eris's surface appears to have changed in the last few years, but it's not clear why
