Tag Archives: new moon

Star Calendar – May 2017

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Star Calendar May 2017 Start Calendar Planets: Moon and Sun each elongate the fluid earth and exert tidal stress on the viscous and solid earth. This stress and shape distortion moves around the longitudinal earth in the two periods 12.42 and 12 hours respectively but also change latitude (declination) according… Continue reading →

Star Calendar – April 2016

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Star Calendar April 2016 Star Calendar Planets: Moon is very dynamic and has several motions of similar mode. A Frenchman sewed photographs of sequential Full Moons together into an animated GIF that shows very nicely the net effect of the various librations – the nodding and swaying face and changes… Continue reading →