Highlights of the November sky include how to watch as Mercury transits the Sun on Nov. 11, plus how to observe the regular dimming and brightening of the «Demon star,» Algol, with your own eyes. Additional information, along with still images from the video, and the video transcript, are available at https://go.nasa.gov/34hp376 . Algol animation is licensed as CC-BY-SA 3.0. Video credit NASA.
