Japan Microgravity Centre (JAMIC) is a site for

microgravity Weightlessness is the complete or near-complete absence of the sensation of weight, i.e., zero apparent weight. It is also termed zero g-force, or zero-g (named after the g-force) or, incorrectly, zero gravity. Weight is a measurement of the fo ...

experiments at a 710-metre-deep abandoned coal mine at

Kamisunagawa, Hokkaido is a town located in Sorachi Subprefecture, Hokkaido, Japan. As of 1 October 2020, the town has an estimated population of 3,278. The total area is 39.91 km2. There is a microgravity test facility located in Kamisunagawa used for astronom ...

. A capsule is dropped from the top to simulate "zero gravity". Jets accelerate the capsule to counteract air resistance. At the bottom, the capsule is slowed with gradual deceleration. Cushioning exists at the bottom for emergencies. This facility was closed in spring 2003.

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