Wednesday, April 21

Relativity put to the test

Reuters.com reports: "CAPE CANAVERAL, Fla. (Reuters) - Forty-five years in the making and 24 hours late, NASA launched a $700 million satellite into orbit on Tuesday to test Albert Einstein's general theory of relativity.
The Gravity Probe B, one of the most precise scientific instruments every built, was carried aloft by a Boeing Co. Delta 2 at 12:57 p.m. EDT from the rocket range at California's Vandenberg Air Force Base.
A day earlier, launch directors from Boeing and NASA's Kennedy Space Center in Florida scrubbed the launch in the final minutes of the countdown when there was a problem loading software."

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