Eclipse

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By: rksingh61 (22 month(s) ago)

This is one of the most exhaustive presentation on Solar and Lunar Eclipse. It enhances the knowledge and understanding of a novice like me. Request: I would like to show this to my son at home. Can you please send me a copy at my email id "rksingh61@yahoo.com". Thenaking you in aniticipation. Regards RK.

Presentation Transcript

Eclipse: 

Eclipse Nature is an infinite sphere whose center is everywhere and whose circumference is nowhere.    -- Blaise Pascal A penny will hide the biggest star in the universe if you hold it close enough to your eye.   -- Samuel Grafton

Solar Eclipses: 

Solar Eclipses The Sun is vanishing! The Sun is going out! The daylight is retreating! Bad Omens All! The Gods are MAD!

A view from the past.: 

A view from the past. “Zeus, the father of the Olympic Gods, turned mid-day into night, hiding the light of the dazzling Sun; and sore fear came upon men.” Archilochus (c680-c640 BC)

The Modern View: 

The Modern View The answer lies hidden among the shadows.

Shadow Structure: 

Shadow Structure Umbra

Solar Eclipse Details: 

Solar Eclipse Details Moon What is the phase of the moon? New Moon!

Solar Eclipse Images: 

Solar Eclipse Images

Total Solar Eclipse: 

Total Solar Eclipse

Slide16: 

A Total Solar Eclipse from beginning to end

Interesting Features: 

Interesting Features

The Diamond Ring: 

The Diamond Ring

Why not a solar eclipse every month then? : 

Why not a solar eclipse every month then? Sun Ecliptic Moon Moon’s Orbit Earth 5o Moon's orbit is tilted about 5o with respect to the Earth's orbit (ecliptic), so the shadows usually miss!

Slide27: 

·  But, the Moon passes through the ecliptic twice a month. · *IF* at new moon - SOLAR ECLIPSE probability.

Annular Solar Eclipse: 

Annular Solar Eclipse

Partial Solar Eclipse: 

Partial Solar Eclipse During a total solar eclipse, depending on your location during the event, you might only see part of the Sun’s face blocked because of your observing vantage point.

A Lunar Eclipse : 

A Lunar Eclipse Moon A lunar eclipse occurs when the Earth lies between the Sun and Moon, so that Earth's shadow darkens the Moon.

Slide31: 

This image shows a complete transition during a lunar eclipse. Notice that the phase of the moon is “full.”

Slide36: 

The moon becomes a blood red color during a total lunar eclipse. No wonder that ancient cultures feared the appearance of the moon during a lunar eclipse.

Lunar Eclipse Types: 

Lunar Eclipse Types Total Penumbral Eclipse Total Lunar Eclipse Partial Lunar Eclipse Partial Penumbral Eclipse

The Blood Moon: 

The Blood Moon The moon often does not totally disappear during a total lunar eclipse. Instead it can be seen as a very dark red color because of the refraction of sunlight through the Earth's atmosphere.

The End: 

The End