The planet - a giant lump of rock and ice, more than nine billion miles from the Sun ... Meet Xena, the first new planet to be found in our solar system since Pluto. Sunday 31 July 2005 00:00 BST.

PASADENA, Calif. – Few planet hunters stand to gain as much as Michael Brown if our solar system balloons to 12 planets under a new definition. He's spotted more than a dozen objects that might ...

The dwarf planet formerly known as Xena received a new name Thursday, while Pluto was given a number to reflect the loss of its status as a planet. Michael Brown, a professor of planetary ...

Will Xena become 10th planet, or will Pluto be demoted? Alicia Chang Associated Press. Los Angeles ... Should this newly found icy rock known as "2003 UB313" become the 10th planet?

Xena, the possible 10th planet in our solar system, has its own moon, a dim little satellite called Gabrielle, its discoverers say. Astronomers who reported Xena's discovery in July say they ...

Xena, the possible 10th planet in our solar system, has its own moon, a dim little satellite called Gabrielle, its discoverers reported. Astronomers who reported Xena's discovery in July said they ...

2003 UB313, aka 'Xena,' whose discovery led to Pluto's demotion from planet status, officially renamed 'Eris' after Greek goddess of discord.

Now, new results from an independent team appear to confirm this, finding Xena is about 30% wider than Pluto. However, astronomers are bitterly divided over what constitutes a planet.

Xena Awarded “Dwarf Planet” Status, IAU Rules; Solar System Now Has Eight “Classical” Planets by SpaceRef August 24, 2006 July 15, 2024. Click to share on X (Opens in new window) X; ...

Xena, the possible 10th planet in our solar system, has its own moon, a dim little satellite called Gabrielle, its discoverers say ...