Header Image: Astrophotography picture of the Moon. Image Credit: Nick Lake What, exactly, is a blue moon, and how rare is it? This question seems like it should have a straightforward answer, but as with all things related to language, it’s complicated. Absurd, Impossible, or Rare? The phrase blue moon has been around for several […]

Image Caption: The Andromeda Galaxy taken by an astrophotographer. Image Credit: Nick Lake From galactic paintings to space poetry, everyone’s favorite out-of-this-world muse—aka our universe—inspires all kinds of stellar works of art. Our staff came together and composed a few short poems all about aspects of space that inspire them. STAGES In my youth, I […]

Header Image: Up close image of the Moon taken by an Adler Planetarium astronomer in June 2020. Image Credit: Michelle Nichols The “Red Planet” is at its closest and brightest for the year this month, October 2020. On the 6th, the planet Mars reaches its closest point to Earth for the next 15 years. In […]

Header Image: The Sun sets during Chicagohenge as a CTA train in Chicago, Illinois travels towards it. Image Credit: @cdats It’s a great month for planet viewing and observing the Earth-and-sky occurrence known as “Chicagohenge”, in September 2020. Start your planet viewing during evening twilight by looking low in the southern skies to see the […]

Header Image: The original image of galaxies NGC 6285 (left) and NGC 6286 (right) was taken by NASA Hubble. Image Edit: Adler Planetarium We all know that social distancing is a good way to avoid catching (or spreading) a virus, but what if the stakes were even higher? What if standing too close to someone […]

Header Image: The Adler Planetarium with a Full Moon in the background taken by Adler Planetarium Telescope Volunteer in July 2020. Image Credit: Bill Chiu You have space questions, we have answers! Astronomers are constantly discovering and uncovering new secrets about space, which we know can lead to lots of questions. Will a black hole […]

Header Image: Look Up to see Jupiter and Saturn are among the stars of Sagittarius the Archer throughout July 2020. With clear skies, a clear view to the eastern horizon, and good timing, you may be able to see all five naked-eye visible planets this month, July 2020. The brilliant planet Jupiter starts the show, […]

Header Image: This celestial globe from the Adler Planetarium’s collection shows the 88 constellations and their corresponding boundaries—which are the light blue lines on the surface of this globe—defined by the International Astronomical Union (IAU).  On January 10, 2016, I was among the millions of music fans who staggered at the news that David Bowie […]

This year’s summer solstice occurs on the 20th, at 4:44 p.m. Central Daylight Time. On that date the Sun rises just before 5:15 a.m. and doesn’t set until shortly after 8:30 p.m. Between those times, the Sun gets very high in the sky. Keep in mind this takes place in the Northern Hemisphere; those in […]

Header Image: A beautiful image of The Whirlpool Galaxy taken by an Adler Planetarium Telescope Volunteer. Image Credit: Bill Chiu Our universe is vast, mysterious, and ever expanding! Astronomers are constantly discovering and uncovering new secrets about space, which we know can lead to lots of questions. What is a black hole? When can you […]