Astronomy has always relied on optical instruments, from the early Galilean telescope to fiber-fed spectrographs, so much so that astronomy and modern optics are called astrophotonics. Since ...

The Paranal Observatory is located 2,635m above sea level Astronomers have created the world's largest virtual optical telescope, linking four telescopes in Chile so that they operate as a single ...

Optical sparse aperture telescopes utilise an array of smaller, discrete subapertures to synthesise a large effective aperture, thereby achieving high-resolution imaging with reduced system mass and ...

A research team from the University of Tokyo/Kavli IPMU, Ehime University, and the National Astronomical Observatory of Japan (NAOJ) has succeeded in conducting the first, full-scale scientific ...

Four-and-a-half months after the James Webb Space Telescope's Christmas Day launch, engineers have achieved near-perfect alignment of its complex optical system, setting the stage for final instrument ...

WASHINGTON, Feb. 5 – Future telescopes, with mirrors half the size of a football field, will need special components to deal with the light they collect. Astronomers are turning to photonic devices ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. After sailing more than a million miles away from Earth, the James ...

NEW DELHI: Nasa's Nancy Grace Roman Space Telescope has successfully passed its initial optical test, marking a significant milestone in the assembly of the highly anticipated observatory. Engineers ...

China plans to build a general-purpose optical telescope with the greatest aperture in Asia as soon as possible between 2024 and 2030 to compete with other nations' optical astronomical telescopes.

An image of the sky, captured by the ILMT, featuring two galaxies — one near the top right corner and the other near the lower left corner. The Telegraph An international telescope in the Himalaya, ...