Europa likely off-kilter at one time
By analyzing the distinctive cracks
lining the icy face of Europa, NASA
scientists found evidence that this
moon of Jupiter likely spun around
a tilted axis at some point.
Europa’s tilt could influence
calculations of how much of the
moon’s history is recorded in its
frozen shell, how much heat is
generated by tides in its ocean,
and even how long the ocean has
been liquid.
“One