Planetarium Night: The Vernal Equinox 7pm Oakwoods Nature Preserve, Discovery Center in Findlay - The first day of Spring is soon approaching and that means a day of equal light and dark. See what's going on in the night sky during this annual occurrence. Activity is recommended for those ages 5 and over. Participants must sit on floor. Ask about handicap accessibility. No fee, but sign up by Wednesday, March 6th.