An Amateur Astronomer Became One of History’s Greatest Solar Observers (2017) HN-Link:https://ift.tt/34Ckl5o External URL: https://ift.tt/2ylkNE3 Points: 3 Share this:WhatsAppTelegramTwitterPinterestEmailFacebookLike this:Like Loading... Related Posted on April 15, 2020April 15, 2020 Posted in IT-NewsTagged Hacker News
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