NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute
The ancient oceans of Pluto may have arisen relatively quickly after the now-frozen dwarf planet came to be, melting from ice in a process that suggests Pluto formed in just 30,000 years.
“We don’t really know how planets get assembled, but in general, we think things bang into each other, and they accumulate,” says Francis Nimmo at the University of California, Santa Cruz, whose work was due to be presented at the cancelled Lunar and Planetary Science Conference in Texas. …
source: newscientist.com