A chunk of junk that's quite literally appeared out of the blue, on a western Australia beach is causing some head scratching.
Speculation is rife about what the giant golden cylindrical object on sandy Jurien Bay is; space junk, part of a downed aircraft? A UFO? Your guess is as good as ours.
So it's time to phone an expert.
Australian National University astrophysicist Dr Brad Tucker spoke to Lisa Owen.
