The journey of astronomical telescopes began in the early 17th century when Galileo Galilei crafted his first refracting ...

Giant ground-based reflector telescopes do much of astronomy's heavy lifting, although the U.S.'s largest in Hawaii is not ...

This was the first working reflecting telescope. Other designers proved unable to grind mirrors with a regular curvature, so the reflector remained largely a curiosity until the mid-18th century ...

We've rounded up the best telescopes for all budgets and experience levels. The night sky can be breathtaking, but to really explore its wonders, you'll want a telescope. Now's the perfect time to ...

Your Artstor image groups were copied to Workspace. The Artstor website will be retired on Aug 1st. Memoirs of the American Academy of Arts ... Memoirs of the American Academy of Arts and Sciences Vol ...

The Stephens observatory, located on the roof of Carnegie, houses a 12-inch Newtonian reflecting telescope, built by Roscoe G. Stephens of Kennebunk, Maine. Stephens gifted the telescope to the ...

The new site for the Harvard Observatory has been made imperative through the decision that the northern-hemisphere station should be equipped with a large reflecting telescope, comparable to the ...