If we were truly lost in space (Robinson family style), how could we find our way home? Crews on the International Space Station are winding back to the 1730s and testing out sextants — devices that sea crews used to make sure they were going in the right direction. The hope is that astronauts flying to the moon in the 2020s could use the sextants in case of emergency.
Finding the Horizon
Saving a Crew's Life
Sextant: Navigating by Cosmic Beacon
Written by Elizabeth Howell July 13, 2018
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