From Astronomy Ireland

Yesterday (Thursday) afternoon, a coronal mass ejection (CME) and a class-M solar flare erupted from the Sun, sending material almost directly towards Earth. This cloud of charged material is expected to arrive at Earth on Saturday night at roughly 10:30pm, but conditions within the cloud and in space can possibly alter this by a number of hours.

When it arrives, there is a small chance that the aurora borealis (northern lights) will be visible from Ireland. We suggest keeping an eye on the northern sky from 6pm on Saturday evening and throughout the night, into Sunday morning. If it appears, the aurora will have a green and/or red colour, most likely just over the northern horizon.

Ideally it is best to watch the aurorae from a location as far north as possible, but depending on the strength of the CME from the Sun, they can be visible further south. We recommend picking anywhere that has a dark sky with a clear northern horizon.

It’s because of a “coronal mass ejection” from the sun.

Sun has obviously been reading the ‘How To Shit’ post.

Astronomy Ireland

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