Exo-Planets in Motion
Posted in Astronomy at 15:00 on 2 February 2017
This is stunning. From Astronomy Picture of the Day, 1/2/2107.
A time-lapse video, taken over seven years, of Four Planets Orbiting Star HR 8799. (The system’s central star itself has been occluded to allow the planets to be seen.)
Tags: APOD, Astronomy, Astronomy Picture of the Day, Star HR 8799
