In Friday's Sky, a Triple Feature

Consider it a triple feature: Lucky observers who look to the sky Friday night into early Saturday will be treated to a February "snow" moon as well as a lunar eclipse and the flyby of a comet, reports USA Today. As the February full moon crosses through the outer edge of Earth's shadow, some of the sun's rays will be blocked, making the moon appear darker in a "penumbral" lunar eclipse. Then around 3am Saturday, Comet 45P will appear as a blue-green light in the constellation Hercules as it makes its closest approach to Earth this century, reports Universe Today, which has tips on how best to watch the action. (More lunar eclipse stories.)