Optical aberration theory remains a fundamental component in the design and operation of space telescopes. With increasingly ambitious astronomical missions and the demand for high-resolution imaging, ...

Optical telescopes utilize refraction and reflection to focus light, enabling detailed astronomical observations and ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. The optical device which the ...

“They can move in steps that are a fraction of a wavelength of light, or about 1/10,000th the diameter of a human hair,” explained Lee Feinberg, optical telescope element manager of the NASA James ...

The stars may not be aligning on Friday night, but seven planets in our solar system just may be. For weeks, outer space enthusiasts have been gearing up for a planetary alignment, or "planetary ...

A rare alignment between Earth and Saturn will make the gas giant’s rings appear so thin that they’ll be nearly invisible.

Saturn’s rings appeared to disappear on November 23 due to a rare optical illusion. The phenomenon, which occurs every 13 to 15 years, happens when the rings line up perfectly edge-on with our planet.

The Ritter Observatory at the University of Toledo has a new look. Renovations just wrapped up, and staff are reopening the doors to the public. Between the COVID-19 pandemic and renovations being ...