Now this is just plain cool!
Scientists have come up with what appears to be a completely practical way to use a special kind of star (millisecond pulsars) to construct a grand telescope for gravity waves. This telescope would be far cheaper to construct than both already-built and proposed Earth-bound gravity wave detectors – and it would actually produce an “image” (something no Earth-bound detector could hope to do). In addition, it would work at some of the most interesting, and very low, frequencies. Read more in Science News and this paper...
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