What's this on Phobos?

One of Mar’s wee moons. A monolith appears:

(Click to open full tall image with detail):

Saw this on reddit today. So what is that then? Phobos doesn’t have a core, so it’s not like a Devil’s Tower like basalt tower thing.

Could it be a mud spike? :wink:

More info and links here:

PS Should we just rename this category ‘Space’ rather than ‘Space Sim’ as I kinda regret the Department of Redundancy Department ‘sim’ bit I added at the end now?


Phobos is clearly an egg, what with the grooves indicting probable future structural failure. So my guess is it’s the tip of a beak, wing, nail… you need to watch more Doctor Who :stuck_out_tongue:

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