NASA Scientists Baffled By Mysterious Pit Photographed On Mars

Whatever this perfectly circular thing is, it has experts wondering if it was formed from above or below.

This strange, nearly perfectly circular feature in a “Swiss Cheese” area of Mars has scientists wondering if it was formed from something that fell from the sky, or if it resulted from a ground collapse. NASA/JPL-Caltech/Univ of Arizona

While it’s been said that the moon is made of cheese, we know, of course, that particular dairy product was never discovered on our close lunar neighbor. But what about a place on Mars that looks like it’s made of Swiss cheese?

This area of the Red Planet’s southern hemisphere includes a large pit of some sort ― see the images above and below ― that has scientists scratching their heads, wondering if this was the result of something smashing into Mars, or if the ground somehow collapsed and left a perfectly circular result.
Photographed recently by NASA’s Mars Reconnaissance Orbiter, this image depicts many shallow pits scattered around an area of melting carbon dioxide ice, designated “Swiss cheese terrain,” according to NASA.
“There is also a deeper, circular formation that penetrates through the ice and dust,” NASA says on its lunar orbiter update page. “This might be an impact crater or it could be a collapse pit.”
At this point, the space agency’s scientists don’t really know what created this Martian feature.

Read more on Huffington Post