This Week: Reading magma, predicting giant eruptions
In the News: Quake tests Indonesia's alerts; no tsunami, but panic/evacuation
Yes, this is a real picture. More accurately, it’s 165 pictures pasted together from NASA’s Cassini spacecraft’s flyby of Saturn as the planet between the probe and the sun. From this unique vantage point, the contrast of light and shadow enabled astronomers to discern new bands of ice and dust — perhaps the remnants of [...]
Why don’t the rings of Saturn just disappear over millions of years. It’s the recycling, that’s why!