The Citizen (Gauteng)

Astronomer argues alien vessel paid us a visit

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Washington – Discoverin­g there’s intelligen­t life beyond our planet could be the most transforma­tive event in human history – but what if scientists decided to collective­ly ignore evidence suggesting it already happened?

That’s the premise of a new book by a top astronomer, who argues that the simplest and best explanatio­n for the highly unusual characteri­stics of an interstell­ar object that sped through our solar system in 2017 is that it was alien technology.

Sound kooky? Avi Loeb says the evidence holds otherwise, and is convinced his peers in the scientific community are so consumed by groupthink they’re unwilling to wield Occam’s razor.

Loeb’s stellar credential­s – he was the longest-serving chair of astronomy at Harvard and has published hundreds of pioneering papers – make him difficult to dismiss outright.

“Thinking that we are unique and special and privileged is arrogant,” he said.

Loeb lays out the argument for the alien origins of the object named ‘Oumuamua – “scout” in Hawaiian – in Extraterre­strial: The First Sign of Intelligen­t Life Beyond Earth.

The facts are as follows. In October 2017, astronomer­s observed an object moving so quickly, it could only have come from another star – the first recorded interstell­ar interloper.

It didn’t seem to be an ordinary rock, because after slingshott­ing around the Sun, it sped up and deviated from the expected trajectory, propelled by a mysterious force.

This could be easily explained if it was a comet expelling gas and debris – but there was no visible evidence of this “outgassing”.

The traveller also tumbled in a strange way – as inferred by how it got brighter and dimmer in scientists’ telescopes, and it was unusually luminous, possibly suggesting it was made from a bright metal.

In order to explain what happened, astronomer­s had to come up with novel theories, such as that it was made of hydrogen ice and would not have visible trails, or that it disintegra­ted into a dust cloud. – AFP

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