The Transit of Mercury Across the Sun's Face Has Begun: First Videos

May 9, 2016 2:32 PM

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GREENBELT, Md. — The small planet Mercury is making a rare transit of the sun today (May 9), the first such event of its kind in a decade, as the world looks on. Case in point: this awesome NASA video captured just as Mercury began its journey across the sun, as seen from Earth.

Today's transit of Mercury is the first one since 2006, and such an event won't happen again until 2019. Mercury transits occur only 13 times per century, so scientists around the world, including here at NASA's Goddard Space Flight Center, are keeping a close eye on the event using ground-based sol...

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