Travelers in the Night Eps. 251 & 252: Catching Shadows & Tough Guy The 365 Days of Astronomy

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
Today's 2 topics:
- Students and teachers are doing real science by measuring the shadows cast by distant objects in our solar system.
- A tough rocky asteroid makes close approaches to the Sun.
 
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