A tiny, little-known world beyond Pluto appears to have an atmosphere, Japanese astronomers said Monday, defying what had been thought possible for icy objects in our cosmic backyard. If confirmed, the roughly 500-kilometer-wide rock would become just the sec…
A tiny, little-known world beyond Pluto appears to have an atmosphere, Japanese astronomers said Monday, defying what had been thought possible for icy objects in our cosmic backyard.
If confirmed, … [+3307 chars]
If confirmed, … [+3307 chars]