Brilliant splashes of green, purple and pink will streak the night sky for many stargazers in North America on Saturday and Sunday night, as energized particles from space collide with the Earth's atmosphere to create the dazzling effect, known as the Northern Lights or aurora borealis.
The northern United States and much of Canada will have the best view of the natural aurora phenomenon, according to the National Oceanic and Atmospheric Administration (NOAA). The best sightings will come from where the aurora is directly overhead, but hopefuls can catch sight of the light show from up to 1000 km away.
The best time to catch the streaks of light will be just after sunset or just before sunrise; the aurora is not visible during the day.
The beautiful display of lights results from a form of space weather, according to NASA, when high-energy space particles violently collide with atoms of gas in a planet's atmosphere, close to its magnetic pole.
The geomagnetic storm causing this latest aurora is expected to be at its strongest on Saturday night, and will provide onlookers with their best chance to see the show, according to the NOAA.
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