Read the following paragraph. decide which sentence is non-essential to learning about your visit to the national air and space museum. the national air and space museum in washington, dc has thousands of objects on display, including the 1903 wright flyer, charles lindbergh's spirit of st. louis, and a lunar rock you can touch. in addition to our exhibition galleries, you may want to visit the albert einstein planetarium, the imax theater, and the public observatory on the east terrace of the museum. when you visit washington d. c. there are many museums that you can choose to visit. the museum opens at 10: 00am for visitors and admission is free.

a) the national air and space museum in washington, dc has thousands of objects on display, including the 1903 wright flyer, charles lindbergh's spirit of st. louis, and a lunar rock you can touch.

b) when you visit washington d. c. there are many museums that you can choose to visit.

c) in addition to our exhibition galleries, you may want to visit the albert einstein planetarium, the imax theater, and the public observatory on the east terrace of the museum.