Uranus rings 'were seen in 1700s'

The rings around the planet Uranus may have been spotted 180 years before the accepted date for their discovery, according to a theory.

According to the orthodox view, the rings around Uranus were detected during an experiment in 1977.

Now, a scientist has re-evaluated a claim made in 1797 by astronomer Sir William Herschel that he saw rings around the seventh planet.

The claim had previously been dismissed as a mistake.

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