New Delhi, August 1 : A partial solar eclipse was seen in parts of country as a large crowd gathered at a planetarium in New Delhi to see the eclipse on Friday.
A total solar eclipse occurs when the moon moves between the sun and the earth, blocking out the sun from the areas in the moon's shadow. Without the sun's light, the sky darkens enough for stars to be seen and the corona makes a spectacular halo around the moon.
"We were tense whether we would be able to see today's eclipse or not as it was very cloudy. A lot of people have gathered here to watch the eclipse. We hope more people would come and see it," said Ratnashree, Director, Nehru planetarium.
The first datable records of a solar eclipse was in 753 BC, in Assyria, but earlier notations, among them Chinese diviners' queries on oracle bones from 1,300-1,100 BC, clearly refer to eclipses.
From 720-480 BC, astronomers in the state of Lu (now China's Shandong Province) recorded eclipses that can be reliably dated. By the first millennium AD, Chinese imperial astronomers could predict eclipses with an accuracy of within 15 minutes.
Ancient Chinese eclipse records can be used to calculate the slowing of the earth's rotation, due to the braking action of the moon.
A solar eclipse in 1919 helped confirm Einstein's theory of general relativity.
Eclipses are also scientifically interesting because they allow a rare glimpse of the cooler corona, glowing gases near the sun's surface and solar flares, which are normally not visible due to the brightness of the sun.
The surface of the sun is relatively quiet at the moment, with fewer sunspots than expected.
The next solar eclipse will occur on July 22 next year and could be viewed by hundreds of millions of people as it crosses straight through India and Bangladesh, then runs along the Yangtze River from Chongqing to Shanghai.