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Microgravity, which is the condition of relative near weightlessness, can only be achieved on Earth by putting an object in a state of free fall. NASA conducts microgravity experiments on earth using drops towers and aircraft flying parabolic trajectories.


Drop vehicle over the vacuum chamber in the Zero Gravity Research Facility C2004-577: Technicians adjust a drop vehicle over the vacuum chamber
Gallery
C2004-00585: An electronics technician makes adjustments to the experiment on the “H” drop vehicle at the Zero Gravity Research Facility  C2004-585
An electronics technician makes adjustments to the experiment on the “H” drop vehicle at the Zero Gravity Research Facility.
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C2004-583: "B" Drop Vehicle used in the Zero Gravity Research Facility  C2004-583
"B" Drop Vehicle used in the Zero Gravity Research Facility.
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C2004-582: Mars Exploration Rover (MER) test package above a test platform in the Space Power Facility  C2004-582
Effect of Electric Fields on Flames Experiment installed on "M" Drop Vehicle used in the Zero Gravity Research Facility.
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C2004-575: Mezzanine view of the drop vehicle and release mechanism being positioned over the vacuum chamber  C2004-575
Mezzanine view of the drop vehicle and release mechanism being positioned over the vacuum chamber with a technician signaling the crane operator in the Zero Gravity Research Facility.
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C66-3684: View of the decelerator at the bottom of the Zero Gravity Research Facility  C66-3684
View of the decelerator at the bottom of the Zero Gravity Research Facility.
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C66-2292: First drop test in the Zero Gravity Research Facilityy  C66-2292
First drop test in the Zero Gravity Research Facility.
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C66-2290: First drop test in the Zero Gravity Research Facilityy  C66-2290
First drop test in the Zero Gravity Research Facility.
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Last Updated: January 8, 2008