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Sun-Earth Day 2008: Space Weather Around the World

Sun-Earth Day 2008: Space Weather Around the World


The solar corona  can be seen during total solar eclipses such as this one on seen on Mauna Kea, Hawaii in 1991

This 1991 photograph captures the brief moment of totality when the Sunís faint corona is most easily observed. It is made up of several photographs from cameras with different settings that were later combined into one image. Credit: Steve Albers, Dennis di Cicco, ad Gary Emerson.

This image appears in the #58: Why is the Sun's Corona So Hot? Technology Through Time article.

Space Weather Fact

The most powerful solar flare in the last 500 years occurred on September 2, 1859 and was sighted by two astronomers who happened to be looking at the sun at exactly the right time!

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