Differences in the number and speed of cometary impacts onto Jupiter’s large moons Ganymede and Callisto some 3.8 billion years ago can explain their vastly different surfaces and interior states, ...
Nature doesn't conform to our ideas of neatly-contained categories. Many things in nature blur the lines we try to draw around them. That's true of Jupiter's moon Ganymede, the largest moon in the ...
Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. NASA’s Juno spacecraft has been exploring Jupiter since it ...