Dark holes in fhe sun's corona predict solar wind events • Earth.com

Last update: November 14th, 2019 at 11:00 am

Today’s Image of the Day from the European Space Agency (ESA) features dark holes in the outermost part of the Sun’s atmosphere, which is known as the corona.

The “coronal holes” are areas of open magnetic field that release solar wind at a high velocity. When solar wind reaches the Earth, it can affect satellites and Global Positioning Systems (GPS).

The good news is that solar events are predictable due to the appearance of coronal holes before the wind of charged particles is projected.

The ESA’s upcoming Lagrange mission will make it possible for scientists to predict solar wind events by up to five days in advance.

This image was captured by the SWAP instrument on the Proba-2 mission during the midday hours of November 7, 2018.

By Chrissy Sexton, Earth.com Staff Writer

Image Credit: European Space Agency




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