A total solar eclipse
As seen from the Earth, a solar eclipse occurs when the Moon passes between the Sun and Earth, and the Moon fully or partially blocks the Sun. This can happen only at a new moon, when the Sun and the Moon are in conjunction as seen from Earth in an alignment. In total eclipse, the disk of the Sun is fully obscured by the Moon. In partial eclipse only part of the Sun is obscured.
An eclipse is a natural phenomenon. Nevertheless, in some ancient and modern cultures, solar eclipses have been attributed to supernatural causes or regarded as bad omens. A total solar eclipse can be frightening to people who are unaware of its astronomical explaination, as the Sun seems to disappear during the day and the sky darkens in a matter of minutes.
Because it is dangerous to look directly at the Sun, observers should use special eye protection or indirect viewing techniques when viewing a partial eclipse, or the partial phases of a total eclipse.
( Adapted from http://en.wikipedia.org/wiki/Solar_eclipse )
Watch the solar eclipse...click to the highlighted link below
solar eclipse in Varanasi
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