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 677 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
Life-friendly worlds may snap, crackle and pop
18 March 2009
Alien worlds that are hospitable to life could reveal themselves by radio signals crackling from their magnetic fields
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...
Kepler telescope launches to hunt for alien Earths
4 February 2009
The space telescope should be able to see Earth-size planets in the 'habitable zone' of their stars for the first time
How will the solar system end?
28 January 2009
In the final part of our Unknown Solar System special, we discover that the solar system has been relatively peaceful since the ructions that created the planets in the first 100 million years – but this calm can't last
Is there a Planet X?
28 January 2009
Lurking in the solar system's dark recesses, rumour has it, is an unsighted world – Planet X, a frozen body perhaps as large as Mars, or even Earth
Where do comets come from?
28 January 2009
These cosmic apparitions have had humans pondering their nature for millennia, yet theories of where comets originate still don't stand up
Review: The Hunt for Planet X by Govert Schilling
28 January 2009
A wonderfully entertaining book which conveys the raw excitement of the hunt for new planets
