If you are obsessed with the charm of the star world that colors the night sky, you will want to get the first astronomical telescope as soon as possible and you will want to point to the stars, but ...

For most of us who are not astronomers, the image that comes to mind when describing a reflecting telescope is of a huge instrument in its own domed-roof building on a mountain top. But a reflecting ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This is a brass working model of a ...