astroteacher t1_j3mhtno wrote on January 9, 2023 at 4:27 PM Reply to TIL Pluto hasn't completed an orbit around the sun since its discovery. Pluto's orbit takes about 248 years, and Pluto was discovered in 1930. by irbinator Pluto was closer to the sun than Neptune from about 1980-2000. Probably why it’s moon wasn’t discovered until about 1978. Permalink 2
astroteacher t1_j3mhtno wrote
Reply to TIL Pluto hasn't completed an orbit around the sun since its discovery. Pluto's orbit takes about 248 years, and Pluto was discovered in 1930. by irbinator
Pluto was closer to the sun than Neptune from about 1980-2000. Probably why it’s moon wasn’t discovered until about 1978.