A second full moon for the month of July is seen next to the dome of the U.S. Capitol on Friday, July 31, 2015 in Washington. In recent years, people have been using the name Blue Moon for the second of two full moons in ...
12 hours ago in Space Exploration
This is an astronomy story that comes up only once in a blue moon, like on Friday. Maybe.
Jul 30, 2015 in Space Exploration