<![CDATA[Topics tagged with optics]]>https://forum.fedi.dk/tags/opticsRSS for NodeSat, 11 Apr 2026 05:07:40 GMTInvalid Date60<![CDATA[By now, you have seen the Earth image by the #Artemis crew at least a hundred times.]]>https://forum.fedi.dk/topic/1321ace5-45d0-4a5c-8123-77a32ab25e96/by-now-you-have-seen-the-earth-image-by-the-artemis-crew-at-least-a-hundred-times.https://forum.fedi.dk/topic/1321ace5-45d0-4a5c-8123-77a32ab25e96/by-now-you-have-seen-the-earth-image-by-the-artemis-crew-at-least-a-hundred-times.Invalid Date