What's happening above that city? The city is Winnipeg [ http://www.city.win…], Canada [ http://www.cia.gov/…], and the phenomenon is aurora [ http://www.pfrr.ala…]. These past few months have been active ones for our Sun [ http://antwrp.gsfc.…], producing several coronal mass ejections [ http://science.msfc…] (CMEs) of particles [ http://www-istp.gsf…] that have swept past our Earth [ http://www.nineplan…] and caused many spectacular auroras [ http://antwrp.gsfc.…]. Specifically in this case, a CME that occurred on October 9 impacted the Earth on October 11 and 12, causing nearly 12 hours of auroras [ http://www.spacewea…]. The above-pictured aurora [ http://www.spacewea…] had to be very bright to be seen over the lights of Winnipeg, the city well below and in front of the cascading atmospheric airglow [ http://www.geo.mtu.…]. Lights reflecting off of a slight haze [ http://www.concord.…] cause an unrelated glow that emanates from some of the buildings.
Explanation
What's happening above that city? The city is Winnipeg [ http://www.city.win…], Canada [ http://www.cia.gov/…], and the phenomenon is aurora [ http://www.pfrr.ala…]. These past few months have been active ones for our Sun [ http://antwrp.gsfc.…], producing several coronal mass ejections [ http://science.msfc…] (CMEs) of particles [ http://www-istp.gsf…] that have swept past our Earth [ http://www.nineplan…] and caused many spectacular auroras [ http://antwrp.gsfc.…]. Specifically in this case, a CME that occurred on October 9 impacted the Earth on October 11 and 12, causing nearly 12 hours of auroras [ http://www.spacewea…]. The above-pictured aurora [ http://www.spacewea…] had to be very bright to be seen over the lights of Winnipeg, the city well below and in front of the cascading atmospheric airglow [ http://www.geo.mtu.…]. Lights reflecting off of a slight haze [ http://www.concord.…] cause an unrelated glow that emanates from some of the buildings.
