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:
- In 1972 Apollo 16 astronauts took an ultraviolet image of the Earth from the Moon which shows that like the Sun, the Earth too, has a faint corona of gas surrounding it. Scientists are just beginning to explore how Earth's glow relates to our weather and climate.
- Humans are slamming projectiles into space rocks. These experiments will give us the know how to deal with a dangerous space rock which has our number on it.
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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu
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