This is why Observatories are built on top of Mountains

It’s probably safe to assume that most of us understand that Space observatories are built at high altitudes where viewing conditions are better because the atmosphere is less dense. Sharp-witted photographer Rob Ratkowski created this clever visual aid to show how altitude makes huge differences to imaging the skies. Science explainers like Ratkowski often have to find unique […]

http://phogotraphy.com/2016/02/16/this-is-why-observatories-are-built-on-top-of-mountains/