Space/Science — HabitableZone

Space/Science » in reply to So?.....

re: So?.....Hmmm, hydrological depositioning. Interesting..

Yes, it's hydrologically hard to deposition anything.... but, not impossible.

The dark features could also be due to lighting, (from the sun) or lack thereoff as in shadow, dip in TOPOGRAPHY.

Just a guess. :)

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