an orbit of the sun is a requirement for a planet (among several other well documented criteria), and pluto’s orbit (that we’ve never fully observed) is 248 years, and pluto was discovered in 1930.
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If Pluto weren’t in orbit around the sun, we wouldn’t have been able to send a spacecraft there with such precision.
If Pluto weren’t in orbit around the sun, we wouldn’t have been able to send a spacecraft there with such precision.
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My understanding is that there have been course corrections quite a few times during the 9 year trip to pluto.
I did not make the rules about having to prove an orbit prior to being called a planet, you know.
It is what it is.