The intense beam creates an artificial "star" in the atmosphere by exciting atoms 56 miles (90 km) up.
强烈的光束由于激励了高达56英里（90公里）原子，创造一个大气中的人造“星星”。
2
A 'Star Wars' style plasma beam which can stop fruit going mouldy has been created by scientists.
科学家已经研究到一种“星球大战”式的等离子束能够阻止水果发霉腐烂。
3
Time the beam right and the star could be turned, in effect, into an FM transmitter-broadcasting to the universe on the underlying carrier-wave of the Cepheid's pulsation.