The invention of the reflector telescope stretches back to Isaac Newton in the 17th Century. Typically, the reflecting telescope allows for larger apertures. This means a greater amount of light ...

Other than causing a minor wave of interest at the Royal Society, Newton's reflecting telescope was little more than a curiousity with severe flaws. The mirror would quickly tarnish, and silvered ...

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 ...

What were those accomplishments? Here, familiarize yourself with Newton's greatest contributions. The standard telescope of Newton's time, the refracting telescope, was not ideal. Its glass lenses ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. The first telescopes, known as refracting telescopes, were built in ...

Here’s how it works. A European Space Agency telescope celebrated 20 years of exploring the secrets of the X-ray universe this week. The XMM-Newton telescope, which launched on Dec. 10 ...

I’m often asked, “What’s the best telescope I can buy on a limited ... cost-to-aperture ratio by placing a high-quality Newtonian reflector tube assembly on a simple, alt-azimuth mount ...

Here's how they work—and how it's not always just about optics. A telescope is a device used to observe objects at great distances, by focusing and capturing the electromagnetic radiation they ...