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| Space on Dec 22, 2012

EarthSky 22: Ebb and Flow moon crash, the Christmas Star, and Black Books

Your 22 minutes of science and music from EarthSky’s hometown of Austin, Texas. Enjoy!

Lead Producer and Host: Mike Brennan

ES 22 Producers: Deborah Byrd, Emily Howard, Jorge Salazar

Map of moon gravity made by GRAIL spacecraft in 2012. Image via NASA.

Song of the Week:

The Black Books’ “Shipwrecked” from their upcoming 2013 release.

Featured This Week:

GRAIL NASA’s GRAIL mission measured lunar gravity with its two spacecraft GRAIL A (Ebb) and GRAIL B (Flow). The mission came to an end this week when NASA deliberately crashed both spacecraft into a mountain range on the moon.

Jupiter at its best Deborah Byrd and Michael Brennan talk about skywatching Jupiter through the end of the month, and Venus before dawn.

What was the Christmas Star? Scientist Bradley Schaefer has some new things to say on this week’s EarthSky 22. Photo by Russell Croman

The Christmas Star Dr. Bradley Schaefer, professor of astronomy and physics and Louisiana State University, gives us some interesting insight on the Christmas Star.

Thanks for listening in to your 22 minutes of science and music!

This week’s musical contributors:

Black Books

The Black and White Years

Maneja Beto

One Hundred Flowers