Sunset Sky Show

Venus and Jupiter (and the Crescent Moon) June brings good news and bad news. First, the bad news: June 2015 is already the third rainiest month in Chicago history (as measured at Midway Airport). The good news: Whenever the skies clear, June 2015 presents a great opportunity to view Venus and Jupiter at sunset all… Read More Sunset Sky Show

Equinox

Today is the first full day of autumn; the equinox was last night. Below is a video clip showing what the Earth looks like from space on the equinox (from Russian meteorological satellite Elektro-L). Note that the terminator line (between dark and light) is vertical, aligning with Earth’s axis of rotation.