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FRIDAY THE 13TH AURORAS: Who says Friday the 13th is unlucky? Just look how the day began in Tromsø, Norway:
“Friday the 13th started very luckily indeed!” says photographer Antony Spencer. “We enjoyed an incredible display of auroras for five hours. The lights were so bright, even the snow turned green.”
The auroras were sparked by the onset of a solar wind stream (~550 km/s), which reached Earth during the early hours of Jan. 13th. More geomagnetic activity is possible tonight as the solar wind continues to blow.
Credit: www.spaceweather.com