![[Image]](zenith.jpg)
One of the dangers of making movies like this is that you may start to receive requests from your students.... This was made in direct response to a request from a student, who wanted a movie to help her see why the right ascension of the zenith for a given observer changes over the course of a day, while the declination does not.
As with all of these movies, there is no narration or sound. It's designed to be used by a lecturer, who will pause it at opportune places to discuss it or ask questions of students.
Earth texture by Rick Kohrs.