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National Aeronautics and Space Administration

Goddard Space Flight Center

Sun-Earth Day 2009: Our Sun Yours to Discover.

Sun-Earth Day 2009: Our Sun Yours to Discover

IMAGE GALLERY

TRACE
TRACE

An artist's rendition of a huge flare on the young star EV Lacertae. (NASA / Casey Reed)

NASA Fact

On April 8, 1947, the largest sunspot in modern history reached its maximum size of over 330 times Earth's area.