DASH (satellite)

"DASH 1" redirects here. For other uses of "11", see −1 (disambiguation). "DASH 2" redirects here. For other uses of "-2", see -2 (disambiguation).

DASH (short for Density And Scale Height) were a pair of 2.5 meter balloon satellites launched in 1963. They were designed to measure air density at very high altitude, but their orbit was significantly affected by solar radiation pressure.