SPACE fans have been left baffled by something on Mars shaped like a bowling pin.
The odd object was captured by Nasa's Curiosity Rover earlier this month but observers have been scratching their heads trying to work out what it is exactly.
Some have jokingly suggested it could be a Martian bowling pin or even an alien's shoe horn.
Another said it looks like a discarded Tesla side mirror.
Nasa hasn't confirmed what it really is but other geeks think the answer might be less exciting.
"Looks like a wind eroded rock," one person said.
"Maybe part of a larger pillar rock which fell apart, because it couldn't hold its structure anymore."
The technical term for rocks that have been eroded by wind like this is ventifact.
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They're pretty common, and we see them all the time on Earth.
At least it's not space litter, something space fans have scolded Nasa for.
Another strange object was spotted recently that looked like a cylinder.
Some suggested it might be an artifact of ancient civilisation on the Red Planet or a chunk of a crashed UFO.
But it turned out to be a piece called the 'launch abrasion bit' left by Nasa.
It was apparently dumped on the ground back in July.
But since then, the object appears to have fallen over.
In other news, people are increasingly unable to tell apart fake faces made by AI and real ones, new research suggests.
Websites could crash in a couple of months if owners fail to make major change ahead of Chrome, Edge and Firefox 'version 100' update.
Uber has revealed the worst and best cities for passenger ratings.
And the naughtiest ever emoji combinations to be careful of have been revealed.
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