atmospheric science

This past Thursday marked the vernal equinox, signaling the official start of Spring. While the media often claims that "day and night are equal" on this day, a closer look at sunrise and sunset times reveals that daylight actually lasts a few minutes longer. The reason? Atmospheric refraction, which bends the sun’s image upward. But even so, it’s a close enough approximation. Tune in to hear more about the rhythms of our planet.

The Apophis asteroid captured the public’s interest ever since it was discovered in 2004. It’s big enough to destroy a city and it’s headed our way. Lately, some social media posters seem to have discovered this menace for the first time and gave it scary publicity. Tune in to hear the actual facts. The asteroid will miss us this time.

The COVID-19 crisis has had a profound effect on public health, the economy, and everyday life. But researchers are also studying how the ripple effects…