DULUTH — Did you receive a telescope as a holiday gift? Even if it was years ago and that instrument is now hidden away in an attic, consider taking it out again. There are all sorts of wonderful ...

I hope this series of thoughts (can I call them blogs?) help you become better observers. I’ll include observing tips and techniques, facts about constellations, reviews of books or websites, and ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Reflecting telescope made in the ...