Tuesday, February 12, 2013

Q&A: What do they mean when you can see planets during a total solar eclipse?


Question by AY0116: What do they mean when you can see planets during a total solar eclipse?
There is a total eclipse coming up in August for parts of Russia and China, there are other places as well but I don't know where. I was reading an article about how there will be four planets visible during the eclipse. What I want to know is, does the eclipse magnify these planets so you can view them with the naked eye or does it just expose the area of the planet in darkness long enough that you could view them through a telescope?


Best answer:
Answer by Wild BillThe eclipse actually reduces the light pollution from the Sun to the Earth allowing us to see the brightest objects in the sky such as Venus, Jupiter, Mars, and Saturn. When the eclipse is over they will fade into the wild blue sky!

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The total solar eclipse and surrounding atmosphere of excitement.

Total Solar Eclipse | Solar Eclipse Information

Q&A: 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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Total Solar Eclipse | Solar Eclipse Information

Monday, February 11, 2013

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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goodnews.ws The solar eclipse of July 22, 2009 was the longest total solar eclipse during the 21st century, not to be surpassed until June 2132. It lasted a maximum of 6 minutes and 39 seconds off the coast of Southeast Asia, causing tourist interest in eastern China, India and Nepal. This was the second in the series of three eclipses in a one-month period, being book-ended by two minor penumbral lunar eclipses, on July 7 and on August 6. It was visible from a narrow corridor through northern Maldives, northern India, eastern Nepal, northern Bangladesh, Bhutan, northern Philippines, the northern tip of Myanmar, central China and the Pacific Ocean, including the Ryukyu Islands, Marshall Islands and Kiribati. Totality was visible in many large cities, including Surat, Vadodara, Bhopal, Varanasi, Patna, Gaya, Dinajpur, Siliguri, Guwahati, Tawang in India and Chengdu, Nanchong, Chongqing, Yichang, Jingzhou, Wuhan, Huanggang, Hefei, Hangzhou, Wuxi, Huzhou, Suzhou, Jiaxing, Ningbo, Shanghai, as well as over the Three Gorges Dam in China. According to some experts, Taregana in Bihar, India was expected to be the "best" place to view the event. A partial eclipse was seen from the much broader path of the Moon's penumbra, including most of Southeast Asia (all of India and China) and north-eastern Oceania. This solar eclipse was the longest total solar eclipse to occur in the 21st century, and will not be surpassed in duration until June 13, 2132. Totality lasted for up to 6 ...
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Total Solar Eclipse | Solar Eclipse Information