This month will be a little longer than usual, but still shorter than most months of the calendar — because it’s February 2020. This year is a Leap Year, when the short month of February has 29 days instead of the usual 28. Earth’s actual orbit around the Sun takes about one-quarter of a day […]

Header Image: Graphic representation of the Winter Solstice which will occur on December 21st, 2019 at 10:19pm. The brightest planet, Venus, begins a run of many weeks’ worth of spectacular viewing in the evening skies this month, December 2019. Venus starts off the month very low in the southwest after sunset, setting only about 90 […]

Header Image: Graphic representation of the Leonid meteor shower with the constellation Leo. Evenings in the Chicago area are getting dark quite early this month, November 2019. Because Daylight Saving Time ended on the 3rd, the Sun now sets before 5:00 p.m. local time. It won’t be setting after 5:00 p.m. until late January. Shortly […]

Header Image: The far side of Earth’s Moon as seen based on data from cameras aboard NASA’s robotic Lunar Reconnaissance Orbiter spacecraft. Credit: NASA/Goddard Space Flight Center/Arizona State University Heads up! We’re blasting off into a very SPACE (and Moon) themed weekend. Today, we kick off World Space Week, which runs from October 4-10. This […]

Header Image: Orionid meteors appear every year around this time when Earth travels through an area of space littered with debris from Halley’s Comet. Credit: NASA/JPL The days are getting shorter and the nights are getting longer this month, October 2019. But the longer nights mean more night-sky objects to observe. During evening twilight this […]

Header Image: Lauren Asta (left) and Shawn Smith (right) pose with their completed “Moonshot Murals” painted by Adler guests during Moon Bash on July 20, 2019 Brushes were poised and the smell of spray paint began to permeate the air. The sound of the small metal ball inside the aerosol can rattled around as the […]

Learn about what’s in the sky for the month of September 2019 from the Chicago area.

If you receive a letter from me, it will likely end with my favorite call-to-action, “Keep Looking Up.” And, while some have interpreted this phrase to have optimism as its intention, I have a much more literal request in mind. Look Up. Yes, you. Right now. I’ll wait… Chances are you noticed something you hadn’t […]

One of the year’s most popular meteor showers regularly peaks this month, August 2019. Unfortunately, this year’s shower may be only a wash.  The Perseid meteor shower is well known because it’s a major annual shower that occurs during warm weather in the northern hemisphere. The Perseids usually peak around the night of the 12th […]

Header Image Caption: An artist’s rendition of Enceladus, Saturn’s 6th largest moon. Image Credit: NASA/JPL-Caltech This past weekend, the Adler Planetarium celebrated the 50th anniversary of Apollo 11⁠—a mission that brought us to a whole new world, our Moon.  It’s pretty undeniable that our Moon is spectacular. It’s our only natural satellite, it’s composed of […]