Happy April, stargazers! The closest supermoon of the year takes place this month, April 2020. Supermoon is a nickname that describes a Full Moon that occurs within 10% of its closest approach to Earth. Astronomers refer to supermoons as a perigean Full Moon. The April 7th Full Moon is just under 222,000 miles from Earth. […]

The three naked-eye-visible planets outside Earth’s orbit will appear less than 20 degrees apart in the sky this month, March 2020. The planets Mars, Jupiter, and Saturn can be seen low in the southeast just as morning-twilight begins to lighten the sky. Jupiter is the brightest of the three, and it serves as a guidepost […]

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 […]

Happy New Year! Though you likely won’t be able to tell the difference, Earth is at its closest to the Sun for the year this month, January 2020. Perihelion, the point in Earth’s annual orbit where it’s closest to the Sun, occurs each year in early January. This year, perihelion occurs at 1:48 a.m. Chicago time on […]

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: 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 […]

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

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: Moon surface taken by the Adler’s Doane Observatory on April 7, 2017. The nation celebrates the 50th anniversary of NASA’s Apollo 11 mission this month, July 2019. It was 50 years ago on July 20 when humans first set foot on Earth’s natural satellite. It’s a big month for the Moon astronomically as well. This […]