
It may have been quite late to finally comprehend, but as the lunar eclipse tetrad nears its end, I was struck by the fact that I only managed to watch one of them: the second within the tetrad, occuring on 8th October last year. Actually I am supposedly able to watch two: another one occurs within my range of view on 4th April this year, but my circumstamces at that time rendering such observation not feasible. This doesn't even mention the fact that the particular eclipse, the third within the tetrad, comprises a totality duration of roughly five minutes. A duration comparable to that of...