New Record for CIGS Perovskite Tandem Solar Cells Feb. 4, 2025 — Combining two semiconductor thin films into a tandem solar cell can achieve high efficiencies with a minimal environmental footprint.

This fortuitous alignment, which occurs only once every 175 years, led to Nasa launching the twin Voyager 1 and 2 spacecraft in 1977 on a "Grand Tour" of the outer Solar System. Voyager 1 flew ...

A visible line of planets has for weeks been the talk of astronomers and hobbyist stargazers who have sought to catch a sight of our solar ... incredible seven-planet alignment appearing in ...

Here’s what you need to know and how you can watch. Planetary alignment is when several planets gather closely on one side of the sun simultaneously, according to Starwalk.space.

Good news for those hoping to spot the upcoming alignment of seven planets this week: the skies look like they will be clear, perfect for getting a view. Supposedly, this will be the last such ...