APOD: Time Lapse: A Total Solar Eclipse (2012 Dec 10)

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APOD: Time Lapse: A Total Solar Eclipse (2012 Dec 10)

Postby APOD Robot » Mon Dec 10, 2012 5:06 am

Image Time Lapse: A Total Solar Eclipse

Explanation: Have you ever experienced a total eclipse of the Sun? The above time-lapse movie depicts such an eclipse in dramatic detail as visible from Australia last month. As the video begins, a slight dimming of the Sun and the surrounding Earth is barely perceptible. Suddenly, as the Moon moves to cover nearly the entire Sun, darkness sweeps in from the left -- the fully blocked part of the Sun. At totality, only the bright solar corona extends past the edges of the Moon, and darkness surrounds you. Distant horizons are still bright, though, as they are not in the darkest part of the shadow. At mid-totality the darkness dips to the horizon below the eclipsed Sun, created by the shadow cone -- a corridor of shadow that traces back to the Moon. As the total solar eclipse ends -- usually after a few minutes -- the process reverses and Moon's shadow moves off to the other side. Solar eclipses can frequently be experienced at gatherings organized along the narrow eclipse path as well as specialized cruises and plane flights.

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Re: APOD: Time Lapse: A Total Solar Eclipse (2012 Dec 10)

Postby alter-ego » Mon Dec 10, 2012 5:40 am

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Re: APOD: Time Lapse: A Total Solar Eclipse (2012 Dec 10)

Postby Boomer12k » Mon Dec 10, 2012 12:53 pm

Interesting.

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Re: APOD: Time Lapse: A Total Solar Eclipse (2012 Dec 10)

Postby orin stepanek » Mon Dec 10, 2012 1:06 pm

The time lapse is neat Colin! :D :thumb_up: :thumb_up: :yes:
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Re: APOD: Time Lapse: A Total Solar Eclipse (2012 Dec 10)

Postby biddie67 » Mon Dec 10, 2012 3:54 pm

I liked seeing the different versions of the elipse ~~ lucky you to be able to see it in real time!
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Re: APOD: Time Lapse: A Total Solar Eclipse (2012 Dec 10)

Postby Anthony Barreiro » Mon Dec 10, 2012 6:21 pm

Before and after totality a bright Sun dog appears to the Sun's left and slightly higher than the Sun. Or is that an artifact of the camera?
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Re: APOD: Time Lapse: A Total Solar Eclipse (2012 Dec 10)

Postby LocalColor » Mon Dec 10, 2012 6:40 pm

Thank you - we really enjoyed the video.
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Re: APOD: Time Lapse: A Total Solar Eclipse (2012 Dec 10)

Postby Poti » Mon Dec 10, 2012 7:27 pm

I have a question. Why don't you see the sun move in the sky with respect to the horizon over the span of time the movie was shot?
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Re: APOD: Time Lapse: A Total Solar Eclipse (2012 Dec 10)

Postby Chris Peterson » Mon Dec 10, 2012 8:50 pm

Poti wrote:I have a question. Why don't you see the sun move in the sky with respect to the horizon over the span of time the movie was shot?

Look more closely (try putting your mouse cursor on the Sun). It moves significantly up and left during the movie- which only represents a few minutes in real time.
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Patrick Moore

Postby starmann » Mon Dec 10, 2012 9:24 pm

I love APOD. Please post a tribute to Patrick Moore. Something to do with the moon perhaps?
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Re: Patrick Moore

Postby neufer » Mon Dec 10, 2012 10:55 pm

starmann wrote:
Please post a tribute to Patrick Moore. Something to do with the moon perhaps?

viewtopic.php?f=41&t=30331
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Re: APOD: Time Lapse: A Total Solar Eclipse (2012 Dec 10)

Postby saturno2 » Tue Dec 11, 2012 12:22 am

Very good
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