There's a hole on Mars

I mean, literally. A recent APOD image shows a football ground size hole in Mars.

Quite possibly, the spots are entrances to deep underground caves capable of protecting Martian life, were it to exist... Such holes and underground caves might be prime targets for future spacecraft, robots, and even the next generation of human interplanetary explorers.

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"even the next generation of human interplanetary explorers."

Are you mad ? Theres bound to be evil space monsters down there. Its like finding the door to the cellar in a horror movie.

Looks like some missing pixels....