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Today I learn that Pluto and Charon are tidally locked to each other. > Charon always presents the same face to Pluto, and > Pluto always presents the
by monk_e_boy 11y ago
Today I learn that Pluto and Charon are tidally locked to each other.
> Charon always presents the same face to Pluto, and
> Pluto always presents the same face to Charon: from
> any position on either body, the other is always at
> the same position in the sky, or always obscured
http://astronomy.stackexchange.com/questions/8427/are-there-any-known-objects-in-a-dual-tidally-locked-orbit http://astronomy.stackexchange.com/questions/8427/are-there-...
- ajross 11y agoJust to be clear: this is not a new discovery. The mutual tidal locking has been known experimentally for quite a while, and can be predicted with high confidence based on their sizes and distance.