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Explore NASA's Drop Zone
Contrary to popular belief, NASA does not have "anti-gravity chambers" where people can float around like astronauts on the space station. But we do use several facilities to recreate the weightless, or microgravity, conditions of orbit.

People tour drop tower One of them, NASA Glenn's Zero Gravity Research Facility, is the largest of its kind in the United States. It is NASA's premier facility for conducting ground-based microgravity research. And on October 6 you can "drop in" for a visit.

The Zero Gravity Research Facility was built during the space race era of the 1960s to support research and development of space flight components and fluid systems in a weightless environment. It is a large shaft measuring 510-feet deep that is evacuated to eliminate air resistance. Also called a "drop tower," the shaft allows scientific experiments to free-fall for over five seconds. As the experiments fall, they are virtually weightless.

Today, NASA-funded researchers from all over the world come to the Glenn facility to study the effects of microgravity on physical phenomena such as combustion and fluid physics. NASA also uses it to develop and test experimental hardware designed to fly aboard the International Space Station.

Call (216) 433-9653 to register!

One-hour tours begin in the Briefing Center Auditorium at the following times:
  • 10:00 a.m.
  • 11:00 a.m.
  • 12:00 p.m.
  • 1:00 p.m.
Please note the following important guidelines:
  • Advanced registration guarantees admission to the tour that begins at the Briefing Center.
    • Access to the Saturday tour program is limited to U.S. citizens and Lawful Permanent Residents (LPRs).
    • All adult visitors are required to present government-issued photo identification, and LPRs are required to present their Permanent Resident Card. This includes bus drivers for scheduled groups.
    • NASA reserves the right to limit the use of cameras and cell phones during the tour.
    More Information:
    >  Facility Tour Schedule
    >  Glenn Research Center Events