Eclipses

Shadows

Solar Eclipse

• Requirements:– New Moon– In the shadow as it passes

over your location

The Anatomy of a Solar Eclipse

Video

                                     

Solar Eclipse from Space• Shadow races across the

surface at nearly 2000 km/hr

• Video

• Annular Solar Eclipse– Moon is near apogee,

therefore it is a little smaller than the sun.

• Total Solar Eclipse– Location on Earth is

within the umbra shadow of the moon.

• Partial Solar Eclipse– Location is in the

penumbra shadow of the moon.

Solar Eclipse Viewing

Solar Eclipse Viewing

Telescope must have a filter for solar observation.

• Corona of the sun can be studied during a total solar eclipse– The pictures on the

right are composites of 22 and 33 digital pictures.

Solar Eclipse

Special Solar Eclipse•

Solar Eclipse Schedule

Solar Eclipses 2001-2025

Solar Eclipse

Solar Eclipse

• Video• Video

Lunar Cycle

Lunar Eclipse

• Full Moon• The moon moves into

the shadow of the earth.

• Anyone on the dark side of the earth during the eclipse can see it.

Lunar Eclipse

Lunar Eclipse

Lunar Eclipse

Lunar Eclipse

Lunar Eclipse Schedule

Lunar Eclipse

Why don’t we get an eclipse every month?• Orbit of the moon of tilted 5° with respect to the

ecliptic.

Christmas present for Mr. Delaney