(NBC News) — A team of scientists wants Pluto classified as a planet again — along with dozens of similar bodies in the solar system and any found around distant stars.

The call goes against a controversial resolutionfrom 2006by the International Astronomical Union that decided Pluto is only a “dwarf planet” — but the researchers say a rethink will put science back on the right path.

Pluto had been considered the ninth planet since its discovery in 1930, but the IAU — which names astronomical objects — decided in 2006 that a planet must be spherical, orbit the sun and have gravitationally “cleared” its orbit of other objects.

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