Like people, stars are found in all colors and sizes. They can range from small, sassy red dwarfs to giant blue beasts. In fact there are seven main types of stars, grouped by their apparent colors (and thus temperatures) and classified as O, B, A, F, G, K, or M in order of hottest to coolest. (Learn more about…
Tag: Royal Observatory
Alan Friedman on Photographing the Sun
I’ve featured many of Alan Friedman’s amazing photos of the Sun here on Lights in the Dark, starting from the very first one I came across via the venerable Astronomy Picture of the Day (APOD) in November 2009. I’ve even featured Alan’s work in several articles I’ve written for National Geographic News, Discovery News, and Universe…