Tag: december 2021
![The Adler Planetarium with the Moon, Jupiter and Saturn in the background.](https://www.adlerplanetarium.org/wp-content/uploads/Untitled-design-655x504.png)
Adler Skywatch: December 2021
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 […]