How Dark is Your Sky? Leo Knows.

More than 99% of us in the United States live under light-polluted skies. We’ll explore how our use of outdoor lighting affects what you can, and can’t, see in your nighttime sky, and we’ll take a look at the breathtaking sights a truly dark sky has to offer. Find out how you can contribute to a worldwide project to measure sky brightness by observing the constellation Leo the Lion from your own neighborhood.

*Please Note: Registration is not required. The Zoom link will not be live until 10:00 a.m. If you’re having trouble accessing it, please reload the page at 10:00 a.m. and try again.

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