NASA scientists are able to fire up a set of thrusters on Voyager 1 for the first time since 1980, allowing the spacecraft to orient itself in interstellar space, 13 billion miles from Earth.
원문출처 : http://www.cnn.com/2017/12/01/us/voyager-1-thrusters-fired-first-time-since-1980/index.html
원문출처 : http://www.cnn.com/2017/12/01/us/voyager-1-thrusters-fired-first-time-since-1980/index.html