Hotel Mars welcomes Dr. Kishalay De of Columbia regarding "disappearing stars."

Hotel Mas with Dr. Kshalay De, Wednesday, 2-18-26John Batchelor and Dr. David Livingston welcomed Dr. Kishalay De of Columbia University discuss a star collapsing into a black hole without a supernova, challenging established theories about the minimum mass required for such cosmic events. Dr. De of Columbia University outlined future astronomical surveys using advanced telescopes to identify more “disappearing” stars, aiming to create a comprehensive population road map for black hole formation.Special thanks to our sponsors:American Institute of Aeronautics and Astronautics, Helix Space in Luxembourg, Celestis Memorial Spaceflights, Astrox Corporation, Dr. Haym Benaroya of Rutgers University, The Space Settlement Progress Blog by John Jossy, The Atlantis Project, and Artless EntertainmentOur Toll Free Line for Live Broadcasts: 1-866-687-7223 (Not in service at this time)For real time program participation, email Dr. Space at: [email protected] for instructions and access.The Space Show is a non-profit 501C3 through its parent, One Giant Leap Foundation, Inc. To donate via Pay Pal, use:To donate with Zelle, use the email address: [email protected] you prefer donating with a check, please make the check payable to One Giant Leap Foundation and mail to:One Giant Leap Foundation, 11035 Lavender Hill Drive Ste. 160-306 Las Vegas, NV 89135Upcoming Programs:Broadcast 4512: Zoom: Dr. Andrew Fraknoi | Sunday 01 Mar 2026 1200PM PTGuests:Andrew FraknoiZoom: Astronomer “Andy” Fraknoi talks upcoming lunar eclipse and lots morSpace Show weekly schedule pending. See Upcoming Show Menu on the right side of our home page, www.thespaceshow.com. The weekly newsletter will be posted on Substack when completed. Get full access to The Space Show-One Giant Leap Foundation at doctorspace.substack.com/subscribe