A couple view the aurora borealis in Manning Park, British Columbia, Canada. Photo: Andrew Chin/Getty Images Northern Lights (Aurora Borealis) brighten the sky in Rochester, New York. Photo: Anadolu/Getty Images The strobe lights of an aircraft streak through the Aurora Borealis noticeable over Lake Berryessa, California. Picture: Carlos Avila Gonzalez/AP Friends look upon the Northern Lights at Chanticleer Point Lookout on the Columbia River Gorge, Latourell, Oregon. Picture: Mathieu Lewis-Rolland/Getty Images The International Space Station, left, streaks past as the Northern Lights are seen in Fredericton, Canada. Photo: Hina Alam/AP The mouth of the Merrimack River in Newburyport, Massachusetts Photograph: CJ Gunther/EPA A farmhouse in Brunswick, Maine Photograph: Robert F Bukaty/AP People in the city of Estacada, Oregon take a look at the night sky Photograph: Jenny Kane/AP Torrance Barrens reserve in Muskoka, Ontario Photograph: Mert Alper Dervis/Anadolu/Getty Images A farm near Elkton, south-west Oregon Photograph: Robin Loznak/Rex/Shutterstock A camping tent in Middletown, north of San Francisco, California Photograph: Josh Edelson/AFP/Getty Images A highway in Middletown, California Photograph: Josh Edelson/AFP/Getty Images A farm on the borders of Bloomington in southern Indiana Photograph: Jeremy Hogan/Rex/Shutterstock Jericho Beach in Vancouver Photograph: Chris Helgren/Reuters San Francisco North Bay as seen from China Camp Beach in San Rafael, California Photograph: Anadolu/Getty Images Wind turbines near London, Ontario Photograph: Geoff Robins/AFP/Getty Images Mount Mitchell, North Carolina Photograph: Peter Zay/Anadolu/Getty Images Torrance Barrens reserve in Muskoka, Ontario Photograph: Mert Alper Dervis/Anadolu/Getty Images The city of Estacada, Oregon Photograph: Jenny Kane/AP The district of Petersburg, Alaska Photograph: Marty Bicek/Zuma/Rex