Avi Loeb is an astrophysicist at Harvard. Please support this podcast by checking out our sponsors: – Zero Fasting : https://go.zerofasting.com/s/lex-promo to get 30% off annual subscription – LMNT : https://drinkLMNT.com/lex to get free sample pack – Sun Basket : https://sunbasket.com/lex and use code LEX to get $35 off – Pessimists Archive EPISODE LINKS: Extraterrestrial (book)…