Well, any of us who has ever looked through a telescope could say the same, for the two principal types in use today were developed by giants: the refractor by Galileo and the reflector by Newton.

Abstract: A BILLION light-years is the distance to which scientists and astronomers estimate that they will be able to explore the universe when the new 200-inch reflecting-type telescope, largest in ...

Abstract: A novel design for a giant spherical radio telescope is proposed. Instead of a fixed spherical reflecting surface such as with the 305-m Arecibo telescope, the illuminated portion of the ...

View the planets and night skies from home - Heavens above! Your guide to the best telescopes for stargazing, created for all ...

Wilson had a private education, but his health was poor. He became so interested in astronomy he built his own observatory. This telescope is the third one he had, a 24 inch reflector, driven by an ...

Reflecting telescopes use mirrors to gather and focus light. In a Newtonian reflector - the most common type - light reflects from the primary mirror (whose surface is ground into a parabola so ...

Make the most of January's new moon and survey the darkened skies with the best telescopes. Our guide will help you choose the right scope, no matter your budget or experience. Are you new to ...

which is commonly called a Galilean telescope. The book entitled Starry Messenger was published by Galileo in 1610 to announce the discoveries of craters on Earth’s Moon, and existence of Jupiter’s ...