When the moon completely covers the sun comes twilight, and darkened the sky appear the brightest stars and planets around the sun and see a beautiful radiant glow – solar corona – the outer layers of a solar atmosphere, is not visible outside of eclipse due to their low brightness Compared with the brightness of the daytime sky. Solar eclipse of July 22, 2009 – a total solar eclipse, which can be observed in countries such as India, Nepal, Bhutan, China, Japan. Also, the eclipse will be seen in the Marshall Islands and Phoenix Islands in Kiribati. Partial eclipse will be visible in large parts of south-east Asia (including Russia and ), north-eastern Oceania and the Pacific Ocean. The twenty-first century, this eclipse is the longest in duration maximum phase: 6 minutes and 39 seconds. Scientists claim that this will be "the most colorful and important event in the movement of light in this century." Longest during the last two Goals total solar eclipse would be best to watch from China. There it will take place around 8:00 am Beijing time.
The best chance to see the unique spectacle of people in Tibet, Sichuan, Hubei, Hunan, Anhui and Jiangsu, as well as for residents and visitors in Shanghai. In Shanghai, an eclipse can be seen, perched on one of the observation areas of the city, such as a tv tower "Oriental Pearl", or not so long ago, open observation ground floor of 100 tallest skyscraper city (altitude 474 meters). Chinese astronomers of the Observatory, which is located in a suburban area of Shanghai, argue that even in his home residents can observe solar eclipse.