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Scientist claims aliens have visited us—and we should invest in searching for extraterrestrials   Show Notes The possibility of alien life has captivated the human imagination for decades and has been at the center of some of our most popular fictional stories. But one scientist has made a controversial claim that aliens are no long a fiction but a reality. Avi Loeb is a theoretical physicist and former chair of the astronomy department at Harvard University. For the past few years, he’s argued that an alien artifact, called Oumuamua, passed by Earth in 2017. As you can imagine, a Harv...

10:23 pm UTC Dec. 30, 2020 BREVARD COUNTY, Fla. – Elton John might have said it best in his iconic song "Rocket Man" – "Mars ain't the kind of place to raise your kids." More than 50 years after we sent humans to the moon – the closest celestial body to Earth – the plan is still to head to Mars, something many astronauts who have flown in space thought we would have already accomplished. "I just assumed by the time I got to be old enough to go into the space program, you know we'd be living on Mars or I'd be working on Mars just as a scientist," Mae Jemison, the

4:15 pm UTC Dec. 29, 2020 NASA / JPL-Caltech Elton John might have said it best in his iconic song, "Rocket Man" — "Mars ain't the kind of place to raise your kids." More than 50 years after we sent humans to the moon — the closest celestial body to Earth — the plan is still to head to Mars, something many astronauts who have flown in space thought we would have already accomplished. "I just assumed by the time I got to be old enough to go into the space program, you know we'd be living on Mars or I'd be working on Mars just as a scientist," Mae Jemison, the

Looks nothing like the asteroids or come i.com ets. -- or comets. it looks shiny and quite unusual and so we say, perhaps it was manufactured by some alien civilization, perhaps it is a spaceship or a probe. we have to put that possibility on the table and unfortunately, this special guest that we had for dinner already left our house and it's out there in the dark streets, so we can't really see it anymore, but we can look for other guests that came from that foreign country and perhaps study them much better in the future. >> from your scientific paper, considering an artificial origin, one ...

From advanced technological equipment. what's a light sail? >> a light sail is simply a sail like the same we find on a sailboat, but it's pushed by light rather than the wind. and when light bounces off an object, it gives it a push. we are currently developing this technology for exploration of space. in principle, you don't carry the fuel with you. so you can reach very high speeds with that kind of technology. it's quite possible a mature civilization had many more years to develop technology uses that technology. we ourselves sent out voyager i and voyager ii from outside the solar system...