The city's beloved scientific museum makes learning fun for visitors of all ages.. In Short The MOS's newer sections and temporary exhibitions are cutting-edge, relying heavily on interactive games and computers. Because of the busloads of school kids and campers that arrive daily, adults are wise to visit later inthe day. A modern food court provides an ideal spot to take a break. Just as popular as the exhibit halls are the Hayden Planetarium and Mugar Omni Theatre--admittance to both is not included in the regular ticket price.