Andrea K. Dupree is a Senior Astrophysicist at the Smithsonian Astrophysical Observatory, part of the Harvard-Smithsonian Center for Astrophysics in Cambridge, Massachusetts. 

Charles L. Bennett is the Alumni Centennial Professor of Physics and Astronomy at Johns Hopkins University in Baltimore.

Come hear ISS astronauts Commander Mike Fossum and Flight Engineer Catherine Coleman.

The lecture is for members of the Museum’s National Air and Space Society and their guests only.

Rosemary Bryant Mariner was among the first female military aviators to fly a tactical jet aircraft and was the first woman to fly a front-line light attack aircraft.

One of the leading theoretical astrophysicists in the world, Rashid Sunyaev was born in 1943 in Tashkent, Uzbekistan, and trained in Moscow, flourishing there in its leading scientific institutions to explore the most fascinating and challenging areas of modern cosmology.

The Museum will host an educational presentation by the STS-135 crew about their recent mission to the International Space Station (ISS).

July 26-August 7, 2011 marks the 40th anniversary of the Apollo 15 space flight.

Designed to convey the awe of a visitor first walking into the world's largest showplace of aviation history, this autobiography headlines the incredible collections, both on view and behind the scenes, of the Smithsonian National Air and Space Museum.