Though still only in the prototype stage, this flat lens could one day be used on space telescopes, and perhaps even on ...

this portable telescope features a 400mm optical tube length and a 70mm objective lens diameter ... allowing easy turning and tracking of yoru chosen planet. With a solid reflector, this SSEA ...

IN July 1967, a large radio telescope operating at a frequency of ... the source with an E.W. phased array in a 470 m x 20 m reflector normally used for a lunar occultation programme.

Additionally, since angular resolution is a function of the diameter of "objective" in the ratio to the wavelength of electromagnetic wave being ascertained, radio telescopes need to be larger as ...

The Webb Space Telescope has captured a plume of gas and dust streaming from a star in the making, with a spiral galaxy as a ...

The Extremely Large Telescope will revolutionize our view of the cosmos when it sees first light in Chile in 2028. In fact, ...

An international team of researchers used multi-wavelength observations of active galactic nuclei to study how black holes ...

NASA launched a new space telescope into orbit to explore the origins of the universe. The mission will use sophisticated ...