enthalpy

Sunday, June 15, 2008


Pluto is still not a planet.
It is the new classification that has been sanctioned for the object that was formerly known as the "ninth planet".

It is nearly two years since the International Astronomical Union (IAU) stripped Pluto of its former status as a "proper" planet.

Now an IAU committee, meeting in Oslo, has suggested that small, nearly spherical objects orbiting beyond Neptune should carry the "plutoid" tag.
As with most things in the universe, it's not just about size: It's about the motion.

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