Sketch of the sunspot by Johannes Kepler without using a telescope. Credit: Kepler. In 1607, Johannes Kepler projected an ...

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 collection consists of the oral ...

NASA's James Webb Space Telescope was launched nearly five years ago, and the first images it revealed made waves across the astronomical world. Those images are still among the most relevant pictures ...

"This book is uniquely about the relationship between the optical telescope and astronomy as they developed together. It covers the time between the telescope's pivotal invention in the 1600's up to ...