Listen: Have aliens already visited us? | EarthSky.org

physicist Avi Loeb of Harvard needs you to suppose severely in regards to the chance that an artifact made by an extraterrestrial intelligence handed by way of our photo voltaic system in 2017. This object – known as ‘Oumuamua, or scout, by earthly astronomers – was touring at a pace indicating an origin outdoors our photo voltaic system. However we by no means acquired shut sufficient to it to see what it was. For the previous few years, Loeb has argued that ‘Oumuamua was an alien artifact. On this episode of the College of Chicago’s Big Brains podcast, Loeb talks in regards to the controversy and explains why he thinks we have to make investments within the seek for alien life by growing the of area archaeology.

‘Oumuamua was traveling too fast (196,000 miles per hour, that’s 54 miles per second or 87.three kilometers per second) to have originated in our photo voltaic system. Loeb’s concepts on this topic precipitated a stir within the group. Loeb commented:

Individuals are inclined to have an forward of time, and I feel that’s harmful as a of we simply don’t know who lives in our neighborhood and what their aims are.

Loeb is creator of a brand new e-book known as Extraterrestrial: the First Signs of Intelligent Life Beyond Earth. Need to learn extra about Avi Loeb’s concepts concerning ‘Oumuamua as an alien artifact and about his e-book? Try this text.

Long rocky asteroid-like object against background of stars and Milky Way.

Artist’s idea of ‘Oumuamua, whose precise look is unknown. This illustration relies on the restricted observations out there. What was ‘Oumuamua? We all know it entered our photo voltaic system – swept close to our solar on September 9, 2017 – then headed again to interstellar area. Astronomers are nonetheless making an attempt to piece its story collectively. Picture by way of ESO/ M. Kornmesser.

Backside line: Interview with Avi Loeb, Harvard professor who claims ET aliens have already visited us.

Learn extra: Avi Loeb on the first signal of clever life past Earth.

Via University of Chicago

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