Astronaut Edwin E. Aldrin, Jr. stands next to a solar wind experiment during the Apollo 11 EVA.
The history of space exploration is rich with photos from NASA that detail the history of space travel, breakthrough propulsion systems, groundbreaking astronauts and missions, and robotic exploration. Each weekday, SPACE.com looks back at the history of spaceflight, from the early days of the space race through the space shuttle era, from the years of the first rockets and satellites to the test-flight era that preceded human spaceflight, and of course beyond.
This experiment is designed to develop and demonstrate the technology required to use the Sun's energy for inexpensive space propulsion research.
Astronaut John Swigert holds the rigged arrangement used to purge carbon dioxide from the Lunar Module during the Apollo 13 mission.
The Aerosol Particle Analyzer flew on an Apollo earth orbital flight to measure microscopic liquid matter in the spaceship.
The world's fastest submarine in 1950, the Albacore, is tested for drag characteristics in a NACA wind tunnel.
Discovery goes through the meticulous process of being prepared for liftoff on Mission STS-70 in early June of 1995.
The Space Shuttle prototype Enterprise flies free after being released from NASA's 747 Shuttle Carrier Aircraft.
The Solar X-ray radiation satellite, Vanguard satellite SLV-2, is being checked out at Cape Canaveral.