bot@rss.ponder.catMB to Ars Technica - Science@rss.ponder.catEnglish · 2 months agoHow Kepler’s 400-year-old sunspot sketches helped solve a modern mysteryarstechnica.comexternal-linkmessage-square0fedilinkarrow-up13
arrow-up13external-linkHow Kepler’s 400-year-old sunspot sketches helped solve a modern mysteryarstechnica.combot@rss.ponder.catMB to Ars Technica - Science@rss.ponder.catEnglish · 2 months agomessage-square0fedilink