It's even greyer than the Moon apparently. Unless this mission finds an active volcano, which I doubt it will, or some other colorful feature hidden from the pr

It's even greyer than the Moon apparently. Unless this mission finds an active volcano, which I doubt it will, or some other colorful feature hidden from the previous missions, I think that's pretty much it, nothing but shades of grey. https://photojournal.jpl.nasa.gov/targetFamily/Mercury https://photojournal.jpl.nasa.gov/targetFamily/Mercury