NASA Just Proved It Can Navigate Space Using Pulsars. Where to Now?

  • By
  • Episode
      384
  • Published
      Jan 18, 2018
  • Publisher
0 Ratings
0
Episode
384 of 2360
Duration
7min
Language
English
Format
Category
Non-fiction

Half a century ago, astronomers observed their first pulsar: a dead, distant, ludicrously dense star that emitted pulses of radiation with remarkable regularity. So consistent was the object's signal that astronomers jokingly nicknamed it LGM-1, short for "little green men." It wasn't long before scientists detected more signals like LGM-1. That decreased the odds that these pulses of radiation were the work of intelligent extraterrestrials.

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