Total solar eclipse has started in India (AP)

Visitors try out solar view goggles after a demonstration on safely watching a solar eclipse at the Science City in Ahmadabad, India, Tuesday, July 21, 2009. Millions of people across Asia will witness the longest total solar eclipse that will happen this century, as vast swathes of India and China, the entire city of Shanghai and southern Japanese islands are plunged into darkness Wednesday for about five minutes. (AP Photo / Ajit Solanki)AP - A total solar eclipse has become visible in some parts of India, bringing near darkness soon after dawn.