"The Martian moon Phobos stands against the darkness of space.
The moon is brownish-red and lumpy, pocketed with a number of craters of all sizes.
A white patch is visible next to Stickney crater, a particularly large crater on its right side," said the image description shared by NASA.
"Really it is a potato NASA," a user commented.
How lucky we are, having a sphere moon around us, not a potato one," wrote another.
"The Martian moon Phobos stands against the darkness of space. The moon is brownish-red and lumpy, pocketed with a number of craters of all sizes. A white patch is visible next to Stickney crater, a particularly large crater on its right side," said the image description shared by NASA.
The Instagram post has garnered over 4,20,000 likes and over 1,500 comments.
"Really it is a potato NASA," a user commented. "I see now that Phobos was the inspiration for the food Matt Damon's character would grow out of own excrement in the film The Martian," another said.
"Oh, I think there is everything in space," a third user joked.
"Strong gravity causes sphere shape. How lucky we are, having a sphere moon around us, not a potato one," wrote another.