Backboards: 
Posts: 159
In response to "Bill Nye on CNN just now said Pluto has no impact craters and it says volumes about objects crashing into others to form planets" by Peglegpete

maybe a bunch of smaller impacts happened to hit the edges of the craters and smoothed it all out. -- nm

(No message)


Post a message   top
Replies are disabled on threads older than 7 days.