Πέμπτη 28 Ιανουαρίου 2016

Challenger Disaster 30 Years Ago Shocked the World, Changed NASA

Thirty years ago today, NASA suffered a spaceflight tragedy that stunned the world and changed the agency forever. NASA astronauts had died on the job before, but the Challenger disaster was something different altogether.

via LiveScience.com http://ift.tt/1TpW6Nl

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