Takeaways:
• A massive coronal hole, wider than 60 Earths, has opened up on the sun’s surface, releasing unusually fast solar wind towards Earth. This phenomenon is unprecedented at this stage of the solar cycle.
• The hole, which took shape near the sun’s equator on Dec. 2, reached its maximum width of around 497,000 miles within 24 hours. Since Dec. 4, it has been pointing directly at Earth.
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