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The sun is covered by the moon during a total solar eclipse in the Indian city of Varanasi on July 22, 2009. The longest solar eclipse of the 21st century cast a shadow over much of Asia, plunging hundreds of millions into darkness across the giant land masses of India and China.
The sun is covered by the moon during a total solar eclipse in the Indian city of Varanasi on July 22, 2009. The longest solar eclipse of the 21st century cast a shadow over much of Asia, plunging hundreds of millions into darkness across the giant land masses of India and China.

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    Watch the eclipse of the century in 360

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Watch the eclipse of the century in 360

CNN's Rachel Crane is hosting an immersive two-hour 360° live-stream experience as the solar eclipse travels across the country on August 21.

Watch the eclipse of the century in 360

CNN's Rachel Crane is hosting an immersive two-hour 360° live-stream experience as the solar eclipse travels across the country on August 21.