Travelers in the Night Eps. 881 & 882: Dangerous Comets & David's Goliath PHA

The 365 Days of Astronomy · May 17, 2026 · 6m

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 December 2025 & January 2026.

Today's 2 topics:

- It is possible the object creating the Tunguska event in Russia 1908 which knocked down 80 million trees over an area about twice the size of New York City was a fragment of a comet or asteroid. The International Asteroid Warning Network 2025 campaign to track Comet 3I/Atlas prepares the world's observatories for the eventual time when a…