Avi Loeb: `Oumuamua is EXTRATERRESTRIAL (#307)

Please support the podcast by taking our short listener survey:
https://www.surveymonkey.com/r/intotheimpossible Watch the video of
this episode here:
https://youtube.com/live/86E03OzQDCo?sub_confirmation=1 Recently,
Bergner and Seligman explained the behavior of the first
interstellar object, ‘Oumuamua, as a rare form of a quite common
object, a comet. They claim it "began as an icy planetesimal that
was irradiated at low temperatures by cosmic rays during its
interstellar journey, and experienced warming during its passage
through the Solar System. This explanation is supported by a large
body of experimental work." But Avi Loeb disagrees: “In a new paper
published recently in Nature --
https://www.nature.com/articles/s41586-022-05687-w Acceleration of
1I/‘Oumuamua from radiolytically produced H2 in H2O ice -- Jennifer
Bergner and Darryl Seligman suggest that the peculiar acceleration
observed by the first known interstellar object `Oumuamua, can be
explained if `Oumuamua was made of water ice which was partly
dissociated into hydrogen by cosmic-rays along its interstellar
journey. In the abstract of the paper, the authors admit that past
models involving a pure hydrogen iceberg or a pure nitrogen iceberg
do not work due to theoretical or observational inconsistencies. In
fact, the hydrogen iceberg model was proposed in a previous 2020
paper by Darryl Seligman himself. A few months later, Avi wrote a
paper with Thiem Hoang, showing that heating by interstellar
starlight would destroy hydrogen icebergs too quickly and not allow
them to reach the solar system from their likely formation sites of
giant molecular clouds.
https://www.nature.com/articles/s41586-022-05687-w Read Hoang and
Loeb's response paper:
https://lweb.cfa.harvard.edu/~loeb/Hoang_Loeb_23.pdf Essay:
https://avi-loeb.medium.com/oumuamua-was-not-a-hydrogen-water-iceberg-1dd2f7a6107f
https://arxiv.org/pdf/2208.00092.pdf
https://www.theguardian.com/world/2023/mar/24/harvard-physicist-pacific-expedition-first-interstellar-meteor
Subscribe to the Jordan Harbinger Show for amazing content from
Apple’s best podcast of 2018!
https://www.jordanharbinger.com/podcasts  Please leave a
rating and review: On Apple devices, click here,
https://apple.co/39UaHlB On Spotify it’s here:
https://spoti.fi/3vpfXok On Audible it’s here
https://tinyurl.com/wtpvej9v  Find other ways to rate here:
https://briankeating.com/podcast Support the podcast on Patreon
https://www.patreon.com/drbriankeating  or become a Member on
YouTube-
https://www.youtube.com/channel/UCmXH_moPhfkqCk6S3b9RWuw/join To
advertise with us, contact advertising@airwavemedia.com Learn more
about your ad choices. Visit megaphone.fm/adchoices