A chance alignment between the Sun and two other celestial objects within the solar system in which one body blocks the light of the Sun from the other. In effect, the outer object moves through the shadow of the inner object.
When the Moon enters the Earth′s shadow as the Earth moves between the Sun and the Moon.
Penumbral - the moon enters only the penumbra of the earth.
partial - the moon enters the umbra without being totally immersed.
Total - the moon is entirely immersed in the umbra.
When the Earth enters the Moon′s shadow as the Moon moves wholly (total eclipse) or partially (partial eclipse) in front of the Sun as seen from Earth.
- 585BC Thales correctly predicted solar eclipse.
- 1504 Christopher Columbus correctly predicts the total eclipse of the moon.
- Eclipses Online Portal A wealth of information on solar and lunar eclipses past, present and future.