Avi Loeb is author of the book “Extraterrestrial: The First Sign of Intelligent Life Beyond Earth”.  It’s a story you can hardly believe, once you hear it.  But here it is -- the story of the day in 2017 when telescopes around the world started tracking an object in our solar system.  It was moving in such a way that scientists around the world came to the same, startling conclusion:  It was an extraterrestrial spaceship.  Avi Loeb is a professor of the Harvard Astronomy Department.  He is also a member of the Center for Astrophysics | Harvard & Smithsonian (which is a collaboration of Harvard College Observatory and Smithsonian Astrophysical Observatory.  Professor Loeb received a PhD in plasma physics at age 24 from the Hebrew University of Jerusalem (1986) and was subsequently a long-term member at the Institute for Advanced Study in Princeton (1988-1993), where he started to work in theoretical astrophysics. In 1993 he moved to Harvard University where he was tenured three years later.  He is now the Frank B. Baird Jr. Professor of Science and former chair of the department. He also holds a visiting professorship at the Weizmann Institute of Science and a Sackler Senior Professorship by special appointment in the School of Physics and Astronomy at Tel Aviv University. Loeb has authored nearly 700 research articles and 4 books. Avi Loeb:  https://astronomy.fas.harvard.edu/people/avi-loeb Something Ventured:  https://somethingventured.us/