Eclipses
Eclipses occur because both Earth and moon have shadows
Total Lunar Eclipse
TOTAL Lunar Eclipse
The moon passes inside the Earth’s
shadow cone called the umbra
Occurs only at the Full moon phase
Can be seen by anyone on the dark side of
the earth
http://homepage.mac.com/cbakken/obookshelf/shadows.html
Partial Lunar Eclipse
(Penumbra Eclipse)
Solar Eclipse
TOTAL Solar Eclipse
The moon covers the sun and the moon’s
umbra or shadow touches the Earth
Moon’s umbra = 270 Km wide
http://images.yourdictionary.com/images/science/ASeclips.jpg
Partial Solar Eclipse
Partial Solar Eclipse
The Moon’s shadow passes over a region on
the Earth’s surface.
http://star.arm.ac.uk/eclipse99/fig3.gif
Annular Solar Eclipse
Partial Lunar Eclipse
The moon passes inside the Earth’s
penumbra
http://www.ccdimages.com/eclipses/lunar/images/lunarmap.gif
J. Hoffman Notes/ J. Haugh - Visual Notes/ Google Images/ X Drive Earth Science 2012
Annular Solar Eclipse
The Moon is too far away for the umbra to read
the Earth
http://star.arm.ac.uk/eclipse99/fig3.gif