Wednesday, April 17, 2013

Can I ruin my eyes by staring at solar eclipses and welding arcs?


Question by Chris Nichols: Can I ruin my eyes by staring at solar eclipses and welding arcs?
with no eye protection. I watch people welding and solar eclipses all the time on youtube. Now my eyes hurt reel bad.


Best answer:
Answer by David Limyes, and don't even try. you never know what will happen.

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Total Solar Eclipse | Solar Eclipse Information

How are small images of the sun in partial eclipse,seen under the shades of tree during solar eclipse?


Question by Mahesh: How are small images of the sun in partial eclipse,seen under the shades of tree during solar eclipse?
Prior to the total solar eclipse, you may be able to look at the shadow thrown by a tree onto the ground. Often thousands of small images of the sun in partial eclipse will be visible. How does this happen? Does this phenomena have any thing to do with the term,'Fraunhoffer Diffraction?


Best answer:
Answer by Roger KDon't know if it is related to Fraunhoffer Diffraction, but each opening between the leaves through which the sun shines acts like a pinhole camera to project the image of the eclipsed sun on the ground.

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The HUGE object eclipse our Sun daily from 11/03/2011 at 06.29-till 07.00. by the present time .This you can see from data SDO sattellite http://sdo.gsfc.nas...

Total Solar Eclipse | Solar Eclipse Information

When will the next solar or lunar eclipse be?


Question by Wafflez: When will the next solar or lunar eclipse be?
what is the date of the next solar or lunar eclipse?


Best answer:
Answer by CobunIt depends on where in the world you are. NASA has a great website for finding out about upcoming eclipses.

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Total Solar Eclipse | Solar Eclipse Information