Study Reveals New Details About the ‘Floating Moon’ of Uranus

Uranus’ moon Cressida would float if placed in water, according to new research, which has recorded the first measurements of the satellite’s mass and density.TrendsSpace exploration Robert Chancia of the University of Idaho and colleagues calculated Cressida’s density and mass using variations in an inner narrow ring of the planet as Uranus passed in front of a distant star. The … Continue reading →