At about 4:50 pm CDT, the Sun–the eclipse having started–went behind this cloud and stayed there the rest of the afternoon:
October 23 Tomorrow, much of North America, including Chicago, will be able to see a partial solar eclipse. That is, the New Moon will pass in front of the Sun, partially obscuring the disc of the Sun. The Sun will look like a crescent. It should go without saying: Do not look directly at the… Read More Skywatching: Solar Eclipse Edition
With the equinox comes solar slowdowns on the roads. Scenes like this are common this time of year as the Sun rises almost directly east and sets almost directly west.
The Sun Of course, the brightest star visible from Chicago is our very own SUN. Below is a movie of the Sun (from June 29 to July 1) in the extreme ultraviolet, courtesy of NASA/SDO and the AIA, EVE, and HMI science teams. You can see lots of magnetic activity. Gorgeous. Recap the entire countdown… Read More Brightest Stars Visible From Chicago: #1
Today (June 21) is the solstice, marking the first day of summer in the Northern Hemisphere. In celebration, here is a video that shows the apparent path of the Sun across the sky in New York State at different times of the year. Our latitude in Chicago is similar, so a video shot here would… Read More Solstice!
We Chicagoans are still recovering from a long winter. Here is some good news: the amount of daylight is increasing rapidly. March and April are months where the days get longer and the nights get shorter at the fastest rate. Consider this: on April 30, the sun will rise 46 minutes earlier and will set… Read More Spring Sun