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Tag: Equinox

Pedestrians walking (during Chicagohenge) across a crosswalk while the Sun sets in the distance with the Willis Tower in view.

Understanding Chicagohenge

Wednesday February 25th
Adler Planetarium Staff

The Chicagohenge is a bi-annual event where the cosmos and architecture harmoniously align. Learn about the science behind it all!

Image of downtown Chicago during the autumn equinox, with the Sun setting in between skyscrapers in the background and the Chicago river in the foreground.

Adler Skywatch: September 2025

Friday August 22nd
Karen Donnelly

What’s in the sky in September, 2025? How to see the vernal equinox, Chicagohenge, conjunctions between Venus and Jupiter, Saturn at opposition, and the full corn Moon.

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