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Found 674 results for dwarf planet

It takes two

1 August 2012

I have always been surprised at the annoyance over Pluto being "demoted" to dwarf planet status (21 July, p 11). The meaning of the word...

Chemical bond discovered that only exists in space

19 July 2012

The bond should emerge in the intense magnetic fields of white dwarf stars: its discovery could help us better understand these bodies

Pluto's not a planet – it's much odder than that

18 July 2012

The discovery of Pluto's fifth moon puts the distant world into a category all of its own

Discovery of fifth moon reignites Pluto planet debate

12 July 2012

The icy rock now boasts more moons than the inner planets combined but is this enough for it to regain its planetary status?

Smallest exoplanet is the size of Mars

11 January 2012

The latest record-breaking exoworld is just 57 per cent as wide as Earth – its discovery around a common type of star suggests habitable planets abound

Dark matter mysteries: a true game of shadows

4 January 2012

Far from shedding light on dark matter, our first experimental glimpses of the elusive stuff have only deepened its mystique, says Stuart Clark

I'll put millions of people on Mars, says Elon Musk

14 December 2011

The swashbuckling SpaceX founder says that he can get to Mars on a shoestring within 20 years – thanks to the fully reusable rockets he's determined to build

Astrophile: Supercritical water world does somersaults

18 November 2011

The planet 55 Cancri e is the most watery world found yet, but its great ocean is a strange hybrid of liquid and gas

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

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