The aurora borealis may be visible in the U.S. northern tier this week A strong geomagnetic storm will interfere with the earth's magnetic field — making the Northern Lights visible in more areas. The storm could mess with satellites, GPS tracking and the power grid.

The aurora borealis may be visible in the U.S. northern tier this week

The aurora borealis may be visible in the U.S. northern tier this week

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A strong geomagnetic storm will interfere with the earth's magnetic field — making the Northern Lights visible in more areas. The storm could mess with satellites, GPS tracking and the power grid.

STEVE INSKEEP, HOST:

Good morning. I'm Steve Inskeep. We are under a geomagnetic storm watch. It's caused by solar wind that interferes with the Earth's magnetic field. The forecast says it could get to level three out of five. Upside - the northern lights, the aurora borealis, might be visible in the northern U.S. Downside - it could mess with satellites, GPS tracking, the power grid, even radio, potentially making your favorite radio program a little bit harder to hear. It's MORNING EDITION.

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