Astronomy Cast: Mysteries of the Milky Way

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bystander
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Astronomy Cast: Mysteries of the Milky Way

Post by bystander » Mon Apr 12, 2010 3:26 pm

Ep. 176: Mysteries of the Milky Way, Part 1
We've wrapped up our Solar System mysteries and now we move onto the Milky Way mysteries, and the some of the general mysteries of galaxies. From blue stragglers to Eta Carinae… what's going on?
Ep. 177: Mysteries of the Milky Way, Part 2
We survived our first group of mysteries, so now we move onto our second set of stuff of amazing Milky Way mysteries. How many spiral arms does our galaxy have, and why does everything keep dying every 60 million years or so?