pluto
DESCRIPTION
understand plutowhat it consists ofTRANSCRIPT
Discovery of Pluto by Clyde Tombaugh on February 18, 1930. The object moved, the background stars did not. Lick Observatory images are 1 day
apart
Pluto (diameter ~ 2320 km; surface T = - 390° F) and its moon Charon imaged by the Hubble Space Telescope
Charon was discovered in 1978 and is ~ 1,200 km in diameter
Pat Rawlings conception of the Pluto-Charon binary-planet system (left-front = Charon; right-back = Pluto)
Pluto’s unusual orbitIt is steeply inclined (17°) and highly eccentric (0.25). At times, Pluto’s orbit
reaches inside that of Neptune