PRAGUE, Czech Republic (AP) – The ninth rock from the sun faces the prospect of being demoted to a “dwarf planet” on Thursday if the International Astronomical Union approves new planetary definitions.
Some scientists say Pluto never deserved to be a planet in the first place. It’s smaller than Earth’s moon, has a funky way of orbiting the sun, and lurks so far out on the fringes of the solar system even the powerful Hubble Space Telescope has to squint to see it.
Pluto is no stranger to controversy. In fact, it’s been dogged by disputes ever since its discovery in 1930.
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