'Optics' Category Archives

Radial Velocity

Published by . Filed under Energy, Optics, Physics, Scientific Terms. Total of no comments in the discussion.

essay writer website Photo by: ESO Creative Commons What do Christian Doppler and Albert Einstein have in common? Simple, they are both instrumental in weather forecasting through their contributions to the information people know about radial velocity. Without understanding how radial velocity works, warnings about tornadoes and hurricanes are not possible.


Exit Pupil

Published by . Filed under Binoculars, Optics, Scientific Terms, Telescope. Total of 1 comment in the discussion.

Photo by: Tamasflex Creative Commons If you recently have had a conversation with an astronomer, then you’ve probably heard them mention the exit pupil as a certain eye piece in telescopes or binoculars. But what does exit pupil really mean, and how can it affect views when looking through a telescope?