A chance to join local astronomy buffs for a look at the sky through instruments, including the observatory’s 24-inch McMath classical Cassegrain telescope. Participants are welcome to bring their own telescopes. Visitors must turn off all electronic equipment (car radios, transmitters, phones, etc.) at the observatory entrance. Canceled if the sky is overcast or the weather is inclement. If in doubt, call after 4 p.m. on the day of the event. Rain date Aug. 15. 8:30–11:55 p.m. or as long as the sky remains clear, Peach Mountain Observatory, North Territorial (about 1¼ miles west of Hudson Mills Metropark), Dexter. Free. (734) 975–3248. 

Every Sun., Tues., & Wed. Runners of all abilities invited to join a run of 3–5 miles along varying routes from different locations. Rain or shine. Dozer Coffee (8 a.m. Sun. & 7 a.m. Tues.), 112 Jackson Plz., (734) 929–9022 & Fleet Feet (7 p.m. Wed.), 123 E. Liberty, (734) 769–5016. Free. fleetfeetsemichigan.com.

Every Tues.–Sun. All age 6 & up invited into the museum’s labs to use scientific tools and museum specimens. The newest program lets participants try out simulated snake senses to experience the world as if they were a snake. No live snakes. 11 a.m.–3 p.m., 1105 North University. Free. (734) 764–0478, ummnh.org.

Every Sun. All invited to a relaxed pickup game of this spirited team sport played with a flying disc. Note: Overly competitive players are politely asked to leave. 11:15 a.m., Fuller Park, just west of the pool & parking lot (or occasionally across the street). Free. (734) 846–9418, [email protected].

A chance to pick up gently used art supplies the library has collected. Donations accepted before Aug. 2 at all AADL branches. Noon–2 p.m., AADL Downtown, lower level program rm. Free. (734) 327–4200.  

Every Sun. All invited to play one of a wide variety of board games in a casual, friendly atmosphere. Instruction provided. Also, on Aug. 2, game playtesting with Michigame Design Lab (2 p.m.), during which players are invited to try out new board and card games from local designers Bruce Bielawa & Joe Hopkins and provide feedback. Noon–6 p.m., 2459 W. Stadium. Free. sylvanfactory.com.

Every Sat. & Sun. Hands-on 20-minute family-oriented demo for kids age 5 & up that uses museum specimens to explore paleontology and what can be learned from giant bones and fossils. 12:30 & 2:30 p.m., 1105 North University. Free. (734) 764–0478, ummnh.org. 

All invited to join iNaturalist representative and MBGNA intern Austin Melancon for an introduction to this nature identification app and a walk to try out skills. Bring your smartphone with the free iNaturalist app installed. Dress for the weather. Arrival 15 minutes early recommended. 1–2 p.m., Matthaei lobby, 1800 N. Dixboro Rd. Free; metered parking. (734) 647–7600, mbgna.umich.edu/events.

Every Sun.–Thurs. (different times). All invited to work on their knitting, crochet, weaving, and embroidery projects. 1–3 p.m. (Sun.) & 6–8 p.m. (Mon.–Thurs.), 401 N. Fourth Ave. Free. (734) 780–7867. 

All invited to join an afternoon of shape note, or sacred harp, singing, an early American form of communal hymn singing. Songbooks available, but singers are encouraged to bring their own. 1–4 p.m., the Ark, 316 S. Main. Free. (734) 478–3394, (734) 995–2519, [email protected].

Every Sun. Thirty-minute tour that uses the museum’s specimens to tell the story of prehistoric whales and dolphins, who had 4 limbs and walked on land. 1:30 p.m., 1105 North University. Free. Limited capacity. Sign up at the welcome desk. (734) 764–0478. 

Aug. 9, 23, & 30. Docent-led tours exploring “Highlights of the Kelsey” (Aug. 9 & 30) and “Favorite Objects and Surprising Stories” (Aug. 23). 2–3 p.m., 434 S. State. Free. (734) 764–9304.

Every Sat. & Sun. Hands-on 20-minute family-oriented demo for kids age 5 & up that uses museum specimens to explore paleontology and what can be learned from giant bones and fossils. 12:30 & 2:30 p.m., 1105 North University. Free. (734) 764–0478, ummnh.org. 

Photographers of all skill levels with any kind of camera invited to walk together around Ypsi and take pictures. 3–4 p.m., 402 S. Huron St., Ypsi. Free. dzanchouse.org/all-events. 

All invited to play a fun-filled round of bingo hosted by local drag queen Jadein Black. Prizes. 3–4 p.m., AADL Downtown, 4th fl. Free. (734) 327–4200.  

Adults & teens invited to hot glue animal figurines, fake plants, sea shells, and other tiny objects to create an underwater scene in a glass jar. 3–4:30 p.m., AADL Downtown, Secret Lab. Free. (734) 327–4200.  

Every Thurs.–Sun., June 4–Sept. 28. Local musicians TBA perform at several locations along Main downtown. Rain cancels. 4 p.m. Thurs.–Sun., S. Main between E. Washington & W. William. For the complete lineup, go to mainstreetannarbor.org/a2-summer-streets. Free.

8ballmovienight.weebly.com. All age 21 & older are invited to watch 2 films each night, with trivia about each at intermission. Prizes. Free snacks. 8 Ball Saloon (201 S. First St.). 7 p.m.–midnight, preshow starts at 6:30 p.m.

Aug. 9: “You Know, for Kids.” Two movies about twisted toy companies: Toys (Barry Levinson, 1992), surreal comedy starring Robin Williams about a hi-tech toy factory that falls into the hands of an army general; and The Hudsucker Proxy (Joel & Ethan Coen, 1994), about a naive but ambitious business school graduate (Tim Robbins) who is installed as president of a manufacturing company as part of a stock scam. 

Every Sun. All invited to join or listen to an instrumental jam session. 7–9 p.m., 318 S. Main. Free. (734) 665–2968.

Every Mon. Slow/moderate-paced 23-mile ride to Independence Lake on mostly dirt roads. See aabts.org for weather cancelations or delays. 9 a.m. sharp, meet at Old St. Patrick Catholic Church, 5671 Whitmore Lake Rd. Free. (412) 302–9960.