A powerful solar eruption headed for Earth could trigger a strong geomagnetic storm by Friday and stunning aurora across Canada

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Solar flare seen on sun taken by NOAA satellites.
A large solar flare erupted from the sun earlier this week generating a powerful explosion directed toward Earth.

NOAA Satellites

Photos show the Northern Lights appeared as far south as Texas on Sunday from a double eruption on the sun. Auroras could become more common as solar activity nears its peak.

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A picture from Riverton's national weather service in Wyoming shows purple and green northern lights shining behind a spherical structure in the foreground.
A picture of the northern lights spotted in Riverton, Wyoming.

NWS Riverton

A giant eruption covered 'over half the sun,' then crashed into Earth nearly 12 hours earlier than forecast

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sun solar surface side by side images left shows the full orange disk with a giant loop of plasma circled and a green arrow pointing to that loop on the right in a purple close-up
This filament formed on the sun, then erupted to send solar material speeding toward Earth.

NASA Solar Dynamics Observatory

A giant eruption from the sun could bring the Northern Lights as far south as New York, Chicago, and Portland overnight Monday and early Tuesday

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ribbons of green pink purple northern lights stretch across the night sky above homes and lights of a sprawling town
Northern Lights, also called aurora borealis, dance in the sky over Tromso, Norway.

NTB/Rune Stoltz Bertinussen/Reuters

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