Columbia, and a lunar rock you can touch. In addition to our exhibition galleries, you may want to visit the Albert Einstein Planetarium, Lockheed Martin IMAX Theater, and the Public Observatory on the east end. There are many things to do at the Museum in D．C. We offer daily tours and educational activities for both children and adults. We also have scheduled lectures and events throughout the year.

　　Hours & Admission: Open every day except December 25. Admission is free.

　　Regular Hours: 10：00 am to 5：30 pm

　　Extended Hours: 10：00 am to 7：30 pm

　　December 26­30, 2017.

　　March 30­April 20, 2015.

　　Fridays and Saturdays, April 24­May 16, 2015.

　　May 17­September 7, 2015.

　　VISITING TIPS：

　　Limit the Number of Bags: All visitors are screened through metal detectors upon entry. The fewer items you bring inside the Museum, the faster your entry. Before you visit, please review the list of prohibited items, which include pocket knives and tripods (三脚架). Visitors carrying prohibited items will not be allowed inside the Museum, so please leave them at home or in your car.

　　No Food and Drink: Only bottled water is permitted in the Museum. You may only consume food and other drinks in the Food Court, not in the Museum. Groups who bring food are encouraged to picnic on the National Mall.

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