This powerful Newtonian reflector telescope has hundreds of 5-star Amazon reviews and is at one of its best-ever prices.

Sir Isaac Newton once wrote ... This was the first working reflecting telescope. Other designers proved unable to grind mirrors with a regular curvature, so the reflector remained largely a ...

the invention of the reflecting telescope described by James Gregory and built in a different form by Isaac Newton (Fig. 1b), and the invention of the achromatic doublet by John Dolland and others ...

His original reflecting telescope, which he built himself in ... that the greatest Giant of all in the world of science was Isaac Newton himself.

Isaac Newton changed ... reconsider the design of the telescope, which up until this point was a large, cumbersome instrument. By using mirrors instead of lenses, Newton was able to create a ...

Isaac Newton was the first to really make it work. Newton's reflecting telescope consisted of a single curved main mirror, coupled with a smaller flat mirror positioned at the focal point and ...

Credit: Galileo Galilei, 1610 Within sixty years, Isaac Newton had built his own new and improved reflecting telescope with a curved mirror, coated with a fine layer of reflective silver metal ...

Isaac Newton was born at Woolsthorpe in the parish of Colsterworth ... His study and understanding of light, the invention of the reflecting telescope (1668), and his revelation in his Principia of ...

New Scientist once described Isaac Newton as “the supreme genius ... still widely used today. Newtonian telescopes use a reflecting mirror to avoid the colour distortion and rainbow effect ...

In the 17th Century, a scientist called Isaac Newton investigated the way things move and came up with three laws of motion. His laws are still very important and examples can be found everywhere ...

This story appears in the July 2009 issue of National Geographic magazine. When you start stargazing with a telescope, two experiences typically ensue. First, you are astonished by the view ...

Isaac Newton This inward, quarrelsome man, who often forgot to eat his meals, invented the calculus and laid the foundations of mechanics and optics—all in 18 "golden" months after graduating ...