This Week: Reading magma, predicting giant eruptions
In the News: Bus-size asteroid misses Earth by 37k miles!
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 [...]
Where did all the dust come from? If you are interested in the origin of planets and human beings, here’s evidence that a star explosion made mucho dust.
Farms release airborne, drug-resistant bacteria, and indoor air could be making you sick. More news about the particles we breathe every day.
Before planets, there was dust. But gravity doesn’t affect dust. So how did the planets form before solar wind blew all the dust away? Experiment shows that dust in planetary nebulas was coated with sticky ice.
Cassini finds lightning strikes on Saturn, haze on moon Titan, dust between the rings, and new rotation rate.