We often see computer models demonstrating size differences of celestial objects, but none of that is as powerful as seeing this happen with our own eyes.
We often see computer models demonstrating size differences of celestial objects, but none of that is as powerful as seeing this happen with our own eyes.
Get a behind-the-scenes look at how difficult and frustrating astrophotography can be -- but how rewarding it is when you're dedicated!
Transit of Mercury in Hydrogen-alpha, by Paul Williamson, as viewed from the United Arab Emirates on 9 May 2016.
