‘Sidereal Motion’; Video That Shows The Motion Of The Stars
A new video by José Francisco Salgado featured over at Bad Astronomy displays the beauty of sidereal motion. That fancy term is used to describe the movement of the stars in the night sky. As Phil Plait explains, it is “the apparent rising and setting caused by the rotation of the Earth. You don’t notice it second-by-second as you watch the sky, but over minutes and hours the inevitability of our planet’s angular momentum makes itself known.”
Ah, our perceptions. I can’t help but wish I was capable of perceiving the Milky Way rise across a night sky without the aid of time-lapse. But for now, this’ll do.
Hit the jump for the video.