Heathkit Educational Systems Closes Up Shop: For the second time since 1992, Heathkit Educational Services (HES)…http://t.co/DWsxlgYm
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Solar Alert big time two M class flares plus Aurora alert. http://t.co/4Oekkfov
Solar Alert big time two M class flares plus Aurora alert. http://t.co/4Oekkfov
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