PhoSim simulates the atmosphere, including air turbulence, as well as distortions from the shape of the telescope’s mirrors and the electrical properties of the sensors. The photons are propagated ...

For the rest of 2025, the UK will experience full moons on the following dates: August 9, September 7, October 7, November 5, and December 5.

A stunning eruption has rocked Indonesia's Flores Island as Mount Lewotobi Laki-Laki spews a 63,000-foot-high toxic ash cloud ...

July 8, 2025. More for You ...

Bluish-white Regulus in Leo is moving toward the western horizon and sets around 10 p.m. in mid-July, followed a couple of ...