Header Image: Jupiter and two of its Moons, Io and Ganymede The Earth’s closest point to the Sun for the year and a major meteor shower are highlights for this month, January 2022. Perihelion, or the point in Earth’s orbit when it’s closest to the Sun, occurs at 12:52 am CST the morning of January […]

Header Image: The outside of the Adler Planetarium at night with the Moon, Jupiter, and Saturn brightly lit in the background. Image Credit: Mike Smail If skies are clear, we’ll get a chance to see all the planets visible to the unaided eye—and, just maybe, a comet—this month, December 2021. Comet Leonard, discovered in January […]

Header Image: Total lunar eclipse seen in the United States on April 15th, 2014 in San Jose, California. Image Credit: NASA Ames Research Center/Brian Day Thanks to a lunar eclipse, you can watch the full Moon fade away and reappear within the space of a few hours this month, November 2021. The eclipse occurs in […]

Header Image: Adler Teen Stratonaut Duncan A. Yuen presenting the team’s findings about light pollution from the trip to Little Red Schoolhouse at an Adler Planetarium event. Seeing a night sky—specifically one that is not affected by light pollution—can be life-changing! If you live in Chicago or a large city with lots of lights, those […]

Header Image: Adler Teen Alum Grace Crim is seen here working with other team members who were part of the Adler Teens Stratonauts program. Seeing a night sky—specifically one that is not affected by light pollution—can be life-changing! If you live in Chicago or a large city with lots of lights, those lights will drown […]

Header Image: Looking through a telescope at the Adler Planetarium. Editor’s Note: This blog was originally published in August 2020 and was updated in August 2024 with more current information. One question we often get at the Adler is: “I’m a beginner. What’s the best telescope for me?”  The really short answer is, “The best […]

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: 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, […]

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 […]

What’s better than the near approach of a comet? How about the near approach of two comets? That’s what we’re expecting during the month of May, 2020! Comet C/2019 Y4, also known as Comet ATLAS, was discovered late last December. It will come closest to Earth on May 23rd, at a distance of about 72 […]