Refracting telescopes dominated the nineteenth century ... Another application of photonic devices in astronomical interferometry is modal filtering for nulling interferometry, which can be ...

(if going by patent filings) of the telescope to finally see Neptune's auroras, and it's thanks to NASA's James Webb Space ...

while refracting telescopes tend to be large and heavy. Astronomers have been striving to solve unanswered questions about the Universe, leading to significant progress in technology for telescopes ...

Some astronomers added a third convex lens ... underwent improvements in the coming centuries. Designers of refracting telescopes figured out, for one, that by using two different kinds of glass ...

Scientists have developed an impossibly thin telescope lens that addresses a key astronomical challenge in a new study funded ...

Unlike refracting telescopes (whose lenses are ... His images have been featured in Astronomy Magazine, Sky & Telescope, Astronomy Now & The Sky at Night. He has also authored articles on ...

The dream of a flat, lightweight telescope lens, where microscopic etchings precisely refract different wavelengths of light, ...

This 15-inch telescope known as "The Great Refractor" was installed at Cambridge in 1847. For 20 years it was the largest telescope in the United States, the most significant American astronomical ...

The large refracting telescope is located on the grounds of the Archenhold Observatory, the oldest and largest public observatory in Germany. It was founded to give the public access to knowledge ...

The Ladd Observatory houses a 12" refracting telescope with a lens made by John A. Brashear of Pittsburgh following the lens design of Prof. Charles S. Hastings of Yale University. The equatorial ...

Shopping for a junior stargazer? We've picked out the best telescopes for kids, perfect for wowing them with February's planetary parade or next month's breathtaking lunar eclipse. If there's a ...