Astronomy Cast Ep. 269: Mass

Last week we talked about energy, and this week we’ll talk about mass. And here’s the crazy thing. Mass, matter, the stuff that the Universe is made of, is the same thing as energy. They’re connected through Einstein’s famous formula – E=mc2. But what is mass, how do we measure it, and how does it become energy, and vice versa.

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“Mass” on the Astronomy Cast website, with shownotes and transcript.

And the podcast is also available as a video, as Fraser and Pamela now record Astronomy Cast as part of a Google+ Hangout:

One Reply to “Astronomy Cast Ep. 269: Mass”

  1. Is something up with your podcast feed? The previous three podcasts (infinites, energy, and mass) have had dates that don’t correspond with the dates of your posts.

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