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Forget rockets – go to Mars in a cosmic fruit bowl

点击量:   时间:2017-11-01 02:02:12

By Paul Marks The shape of a spacecraft may be crucial to keeping its crew safe on long flights. The ideal form, according to Ram Tripathi, a spaceflight engineer at NASA’s Langley Research Center in Hampton, Virginia, US, is a grapefruit spiked with cherries on sticks. This bizarre design might be the only way to protect the crew from cancers triggered by the searing radiation environments they would experience on longer space trips, Tripathi says in a new study. The major radiation sources are galactic cosmic rays,