Two different sized moons
Actually they are the same moon just there was about and hour and a half difference in the time when the second, and larger picture was captured.
This illustrates nicely just how fast the cassini space probe was traveling at the time.
By NASA/JPL-Caltech/Space Science Institute - 
, Public Domain, Link
incredible astronomy sir,wonderful science sir @gavvet
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Cool.
Posted using Partiko Android
I always love the circular symmetry of craters. With the infinite randomness of space, meteors only impact at right angles.
You would think that one time a meteor would glance off the side of a moon leaving a gash vs a circular strike point.... just once.
Posted using Partiko Android
This
By Swampmerchant at English Wikipedia - Transfered to Commons by 4ing., Public Domain, Link
has kept some heads scratched.