CHICAGO-In what the museum touted as a rare hands-on opportunity for the public to learn about the universe, the Adler Planetarium opened a new interactive exhibit Tuesday that offers guests the chance to touch a live protostar.A lot of people in the city have never had the experience of seeing a real protostar up close, [...]The post Interactive Planetarium Exhibit Offers Guests Chance To Touch Live Protostar appeared first on The Onion.