![]() ![]() ![]() How fast does the moon’s shadow race across America during a total solar eclipse? If you’re watching totality from a location where you can see a lot of land features, you may be able to figure that out. It will essentially extend totality from being about two and a half minutes to about 90 minutes. But because this eclipse is going across the United States, it presents an opportunity for people along the line of the eclipse to contribute their images during totality to the Eclipse Megamovie app. ![]() Usually during eclipses scientists only get a few minutes to study the corona before it disappears. ![]() The corona is only visible from Earth during a total solar eclipse when it leaks out from behind the moon and creates a ring of faint streamers around it. Their goal is to get a long look at the sun’s mysterious corona, which is its white and wispy outermost layer. Give Back: The Eclipse Megamovie is a wide-scale citizen science project that aims to gather images of the coming eclipse from across the country and stitch them together to provide a continuous view of the event as it travels from the West Coast to the East Coast. You’ll probably be taking pictures during the eclipse, so why not contribute some of those images to science in addition to your Instagram feed? ![]()
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