Travelers in the Night Eps. 373 & 374: Tracking 3I/Atlas & Good Night at Bok

Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at Little Rock in 2006. travelersinthenight.org From October & November, 2025 Today's 2 topics: - Scientists are using many approaches to understanding the nature and history of 3I/Atlas the third known interstellar traveler in the night. At a hyperbolic velocity of 130,000 mph it is the fastest interstellar visitor ever measured. - On a recent clear night my Catalina Sky Survey teammate Hannes Groller was asteroid hunting with the Steward Observatory 90 inch Bok telescope on Kitt Peak, Arizona when he discovered 8 natural visitors to our neighborhood. Telescopes around the world began to track and determine the natures these asteroids. Six of Hannes's discoveries are classified as Near Earth Objects while the other two are more distant Mars crossing asteroids. We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs. Just visit: and donate as much as you can! Share the podcast with your friends and send the Patreon link to them too! Every bit helps! Thank you! ------------------------------------ Do go visit for cool Astronomy Cast and CosmoQuest t-shirts, coffee mugs and other awesomeness! This show is made possible through your donations. Thank you! (Haven't donated? It's not too late! Just click !) ------------------------------------ The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. Visit us on the web at 365DaysOfAstronomy.org or email us at info@365DaysOfAstronomy.org .

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Travelers in the Night Eps. 373 & 374: Tracking 3I/Atlas & Good Night at Bok is an episode from The 365 Days of Astronomy by 365DaysOfAstronomy.org.

This episode is 06:05 long.

This episode was published on Apr 19, 2026.

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