Pluto probe begins close-up study of Jupiter
9 January 2007
As it nears its closest approach with the giant planet, NASA's New Horizons probe starts taking data – it will be the only spacecraft to visit Jupiter for a decade
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Found 393 results for dwarf planet
2006: The year in astronomy
28 December 2006
The year was one of things lost and found – with Pluto bidding farewell to its planet status and signs of recent liquid water discovered on Mars
White dwarf shreds and vaporises asteroid
21 December 2006
An asteroid has been ripped to shreds and vaporised after straying too close to a hot white dwarf star – one day, the same thing may happen in our solar system
Unruly star may be swallowing embryonic planets
15 November 2006
The sudden appearance of a bright cloud near a low-mass star may be evidence of a grisly feast
Bizarre stellar outburst continues to baffle
30 October 2006
New observations suggest a strange brightening of the star V838 Monocerotis in 2002 could not be due to an explosion on a white dwarf, as previously thought
Brown dwarfs may stretch out exoplanets' orbits
20 September 2006
Many extrasolar planets travel in elongated orbits – gravitational tugs from unseen brown dwarfs may be partly to blame
Former 'tenth planet' named for goddess of discord
14 September 2006
The object that sparked the row over Pluto's status has now been christened 'Eris' after the Greek goddess of discord, who helped start the Trojan War
Pluto added to official "minor planet" list
7 September 2006
The former planet will henceforth be known as minor planet 134340 Pluto, underscoring its recent demotion from planethood
Star pair masquerades as a planetary system
7 September 2006
A deceptive looking duo of low-mass stars, revealed by Hubble, will add to the heated debate over what constitutes a planet
Pluto is down but not out
2 September 2006
The decision to relegate Pluto from planet to "dwarf planet" was a wrench for astronomers, but there's no need for a tearful farewell, says Stephen Battersby
