Transcription: Good evening. In this program, I'm going to talk about the biggest bangs in the universe. First of all, our news notes. Chris, let's begin with the crumbling comet, Shostakovich. It's breaking up in front of our eyes. It certainly is, and the images are spectacular. It first broke up more than a decade ago, but it's really on the way out this time. And in particular, images from NASA's Spitzer space observatory in the infrared show a meteor stream, a whole collection of small particles trailing out on either side of the main fragments. Funeral pyre, in fact. Absolutely. Now the Earth is going ...
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