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Why did astronomers once think a star's signal came from little green men?
In 1967 a PhD student spotted a radio blip ticking every 1.337 seconds. Her team nicknamed it LGM-1, for little green men.
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In 1967 a PhD student spotted a radio blip ticking every 1.337 seconds. Her team nicknamed it LGM-1, for little green men.
Tap to go on, or swipe →