Top Posters
Since Sunday
L
4
d
4
3
k
3
k
3
j
3
k
3
b
3
f
3
b
3
d
3
h
3
SlideshowReport

Possible Volcanic Vent

Description
The central indentation in this Messenger image from 2009 is believed
to be a caldera (sunken vent) of an explosive volcano on Mercury. It is
unlikely to be an impact crater, as it completely lacks a raised crater
wall.
Related Images
Add Comment
Explore
Post your homework questions and get free online help from our incredible volunteers
  1312 People Browsing