All day.
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U-M Natural History Museum Planetarium.:

Every Fri.-Sun. Four different audiovisual planetarium shows suitable for all ages. Did an Asteroid Really Kill the Dinosaurs? (Fri.-Sun., 11:30 a.m.) explores the impact of an asteroid 66 million years ago, with footage from the first iridium layer found in Gubbio, Italy. Includes a brief star talk. The Sky Tonight (Fri.-Sun., 12:30 & 2:30 p.m.) is an exploration of the current night sky. Suitable for all ages 3-8. Includes a brief star talk. Big Astronomy (Fri.-Sun., 1:30 p.m.) focuses on 3 of the world’s largest observatories in Chile’s rugged Andes Mountains and arid Atacama Desert. Includes an abbreviated star talk. U-M Natural History Museum, 1105 North University. $8. Masks required. 764-0478.

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