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Stephen Hawking publicises space travel with zero-g flight

Stephen Hawking publicises space travel with zero-g flight

作者:风流聍  时间:2019-03-01 02:02:11  人气:

Having spent his life studying the bone-crushing gravity of black holes, cosmologist Stephen Hawking last week revelled in the exact opposite: the liberating feeling of zero gravity. Along with an entourage of carers, Hawking took off from the Kennedy Space Center in Florida in a modified Boeing 727. As the jet flies in a parabolic arc between altitudes of 24,000 and 34,000 feet, its occupants experience about 30 seconds of free fall, or zero gravity. The jet carrying Hawking performed eight of these manoeuvres, giving him 4 minutes of weightlessness in total. “It was amazing,