Bilatzailea
Text written in Basque and translated automatically by Elia without any subsequent editing. SEE ORIGINAL
Why is it not a monthly eclipse? (2/2)
The Moon's orbit is complex. It is elliptical and performs a precession movement. But that’s not enough to explain why it doesn’t cause a solar eclipse at every turn of the orbit. Another geometric explanation is necessary.
Buletina
Bidali zure helbide elektronikoa eta jaso asteroko buletina zure sarrera-ontzian
