Kerbol Eclipse
From Kerbal Space Program Wiki
A Kerbol eclipse happens when the star Kerbol comes inline with the Mun effectively hiding itself from Kerbin
Kerbol eclipses on other celestial bodies
It is theoretically possible to observe a Kerbol eclipse on other celestial bodies provided they have a natural satellite or or the body is a natural satellite itself.
Kerbol eclipses on Duna
Since Duna's moon Ike is in a near synchronous orbit a Kerbol eclipse is observed not only every day but also in the same location.
See also
Solar eclipse on Wikipedia