This post originally appeared at Scientific American
Here in North America, we are in the midst of a tetrad of lunar eclipses, the second one visible Wednesday morning.
A tetrad of lunar eclipses means that there are four total lunar eclipses in a row. This NASA video above explains it well.
8 years ago
Space, Video • Tags: lunar eclipse, Moon, NASA, tetrad, TimeandDate, video
This was originally posted at my Scientific American blog.
Today’s Monday Music Video is not a music video per se, but instead features three songs from a soundtrack to an excellent movie about the Apollo missions.
10 years ago
Image, psivid, Space, Video • Tags: Al Reinert, Apollo Lunar Program, Ascent, astronauts, Brian Eno, For all Mankind, Moon, movie, Weightless