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Space weather events linked to human activity
Towards the end of the certain to be abridged piece:
[NASA.gov] Such atmospheric nuclear testing has long since stopped, and the present space environment remains dominated by natural phenomena. However, considering such historical events allows scientists and engineers to understand the effects of space weather on our infrastructure and technical systems.
Uh oh...now we've done it...
Posted by: Blossom Unains5562 2017-05-24
http://www.rantburg.com/poparticle.php?ID=488645