Friday, March 28, 2014

Lunar Eclipses : a Tetrad

Starting April 15, 2014 with the first total lunar eclips, three other total lunar eclipses will follow. The takes place in September '14, April '15 and September '15. Having four consecutive total lunar eclipses are called a Tetrad. This is rather rare but this century it will happen a couple of times.
All of these will be visible in North America and are not visible in the BNL.

See also this nice video from Science@Nasa