* Marshall W. Alworth Planetarium at the University of Minnesota Duluth: Offers free planetarium shows at 7 p.m. Wednesdays. For details, call 726-7129 or go to www.d.umn.edu/~planet .
* University of Wisconsin-Superior's Schrieber Observatory: Offers free stargazing sessions Friday evenings if the sky is at least 70 percent clear. The observatory is atop Barstow Hall. You can get to the observatory by entering the breezeway between Barstow and McCaskill halls and taking the stairs or elevator to the third floor. Before coming to campus, call 394-8257 for a recorded message about whether there will be a viewing session that night.
* Paulucci Space Theatre: Offers night sky shows, planetarium programs and large format films. Free sky shows begin at 7 p.m. Wednesdays. Current films are: "Wonderful World of Water" at 1 p.m. Wednesday-Saturday; "The Human Body" at 2 p.m. Wednesday-Saturday and 7 p.m. Thursday-Saturday; and "Out of the Darkness" at 3 p.m. Wednesday-Saturday. The space theatre is at 1502 E. 23rd St., Hibbing. Cost for films is $4 for adults, $3 for seniors and students, and free for ages 4 and younger. Call (218) 262-6720, (218) 262-6718 or go to www.spacetheatre.hibbing.edu .
* Arrowhead Astronomical Society: Meets at 8 p.m. on the second Wednesday of the month at Marshall W. Alworth Planetarium at UMD.