Tuesday, April 03, 2012

The solar system's GPS

How interstellar beacons could help future astronauts find their way across the universe

Maybe I've heard of something similar before, but what a neat idea:  using x-rays from pulsars as a sort of GPS system for spaceships travelling the solar system and beyond. 

Could be accurate to within a few km, according to the article.  Provided you're not trying to land your spaceship with it, that sounds pretty accurate.

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