(DAILY MAIL) -- Today, scientists led by Stephen Hawking are using high-tech scanners to discover if a huge, cigar-shaped 'comet' is in fact, an alien probe.

Now, one astronomer claims that the space rock, named Oumuamua, could be an alien spacecraft with broken engines that is tumbling through our solar system.

Dr Jason Wright from Penn State University suggests that a broken alien spacecraft move in exactly the same way as the interstellar comet.

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