The Conversation: I'm an astronomer and I think aliens may be out there – but UFO sightings aren't persuasive
11 Dec, 2020 04:34 AM
5 minutes to read
Many people who say they have seen UFOs are either dog walkers or smokers. Photo / 123RF
Many people who say they have seen UFOs are either dog walkers or smokers. Photo / 123RF
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OPINION: By Chris Impey
If intelligent aliens visit the Earth, it would be one of the most profound events in human history.
Surveys show that nearly half of Americans believe that aliens have visited the Earth, either in the ancient past or recently. That percentage has been increasing. Belief in alien visitation is greater than belief that Bigfoot is a real creature, but less than belief that places can be haunted by spirits.