Arrokoth is composed of two separate bodies, 3 and 9 miles across. In the distant past they rotated so slowly about each other that their mutual gravitational attraction caused them to come together ...
A new study has proposed that Pluto captured Charon via a 'kiss'—rather than a catastrophic collision like the one that formed Earth's moon. NASA / JHUAPL / SwRI In their study, Denton and ...
What’s different about Pluto is that it is far colder than Earth and likely more brittle. "Pluto and Charon are different – they're smaller, colder, and made primarily of rock and ice," said Adeene ...
the lead author and a NASA postdoctoral fellow University of Arizona. Snapshot of Pluto and Charon during kiss-and-capture. Robert Melikyan and Adeene Denton. The study suggests that the existing ...
On January 5, 2005, astronomers at NASA discovered Eris, the second-largest dwarf planet in the solar system. Eris is just slightly smaller than Pluto, and it orbits the sun about three times ...