Pluto loses status as a planet
Pluto's status has been contested for many years
Astronomers have voted to strip Pluto of its status as a planet. About 2,500 scientists meeting in Prague have adopted historic new guidelines that see the small, distant world demoted to a secondary category.
The researchers said Pluto failed to dominate its orbit around the Sun in the same way as the other planets.
More: BBC NEWS | Science/Nature | Pluto loses status as a planet
Astronomers have voted to strip Pluto of its status as a planet. About 2,500 scientists meeting in Prague have adopted historic new guidelines that see the small, distant world demoted to a secondary category.
The researchers said Pluto failed to dominate its orbit around the Sun in the same way as the other planets.
More: BBC NEWS | Science/Nature | Pluto loses status as a planet