Solar winds from the snapping of a gigantic 'canyon of fire' filament on the Sun are set to slam into the Earth today (20 July) or tomorrow (21 July), triggering a weak G1 geomagnetic storm.
Erupting debris from CMEs usually takes around 15 to 18 hours to reach Earth, according to the National Oceanic and Atmospheric Administration's This storm comes as the Sun climbs into its most active phase of its roughly 11-year-long solar cycle. It is the second solar storm to have hit Earth in 24 hours.
Astronomers have known since 1775 that solar activity rises and falls in cycles, but recently, the Sun has been more active than expected, with nearly double the sunspot appearances predicted byThe Sun's activity is projected to steadily climb for the next few years, reaching an overall maximum in 2025 before decreasing again.
Scientists think the largest solar storm ever witnessed during contemporary history was the 1859 Carrington Event, which released roughly the same energy as 10 billion 1-megaton atomic bombs.
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