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[DIGEST: Independent, Washington Post, Newsweek, Space]

You may have heard that earlier this month the Northern Lights, also known as Aurora Borealis, were visible much farther south than usual. That’s because a coronal mass ejection from the Sun hit the Earth’s magnetic field. The phenomenon is connected to a massive "hole" in the Sun that astronomers discovered using NASA’s Solar Dynamics Observatory. The hole, better known as a sunspot, is so large it’s bigger than the Earth itself.

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