Celebrate Earth Day with a special Dark Sky night with the Chicago Astronomer: look deep into the night sky and learn about phases of the moon, neighboring planets, star clusters, nebulae, and more. Community park clean-up for Earth Day at 6:30pm, followed by a bonfire and stargazing from 7:30-9:30pm. In the event of rain, activities will be postponed until April 29th.

Increasingly, we spend a lot of time tapping on our smart phones and mobile devices, so it's easy to see how many of us (and our children) rarely find time to sit down and write a letter to someone. But giving and getting letters need not be a dying art! In this workshop, you'll have the time to write a letter, (or two or three) embellish envelopes with an inspiring stash of recycled ephemera, and create a few pages of your own stationery. Letter writing enthusiast and educator Bonnie Tawse will also bring a few vintage typewriters plus her collection of vintage and new stamps (all valid postal currency). Materials included. Registration required.