Tuesday, January 10, 2017

The Great Solar Eclipse of 2017

On Aug. 21, the moon will completely block the sun for sky watchers from Oregon to South Carolina, in the first total solar eclipse visible from the United States mainland since 1979.

Credit: NASA/Goddard Space Flight Center Scientific Visualization Studio

Above is a visualization of the United States during the total solar eclipse of Aug. 21, 2017, showing the umbra (black oval), penumbra (concentric shaded ovals) and path of totality (red). This version includes images of the sun, showing the star's appearance in a number of locations, each oriented to the local horizon.

The eclipse will begin about 10:15 a.m. in Oregon and will end about 2:45 p.m. in South Carolina.

A total solar eclipse provides scientists the opportunity to look at the sun's corona, or outer atmosphere, which will appear as rays of white light surrounding the moon. They will gather data about the sun's corona, solar flares, coronal mass ejections, and the solar wind.

Read more here and here.

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