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Second time lucky

Second time lucky

作者:岑畚囱  时间:2019-03-08 08:09:05  人气:

Having failed to complete a manoeuvre that should have brought it into close contact with asteroid 433 Eros next week, NASA’s Near Earth Asteroid Rendezvous spacecraft is now on course to meet the asteroid in February 2000. On 20 December, the craft’s computers mysteriously shut down its engines. Ground controllers lost contact for more than a day,