Refractor to reflector, Schmidt-Cassegrain to Maksutov-Cassegrain – this is everything you need to know about the different types of telescopes. Telescopes gather and focus light using precisely-shaped mirrors and lenses (or a combination of both). The larger the telescope’s main mirror or lens, the more light is gathered and theContinue Reading

Water ice falling into the planet’s upper atmosphere may create an excess UV emission The rings that make Saturn such a spectacle are probably heating its atmosphere and making it glow at ultraviolet wavelengths. Researchers detected an excess of ultraviolet emission in Saturn’s northern hemisphere that comes from hydrogen atoms.Continue Reading