"The transit of Venus across the solar disk is, for all intents and purposes, a once-in-a-lifetime event. In other words, if you miss today's celestial"
"Sunday evening's annular solar eclipse will be a sight for sore eyes for many astronomy enthusiasts. But if you look at the eclipse without proper"
", shown in a narrow visible wavelength of light called Hydrogen-alpha. The bright region (center, top) is where the May 1967 storm originated. Credit: National"