#3096: Check Engine

XKCD comic, described below.
Transcript
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[A pattern in the form of a "check engine" light (as displayed on a car's instrument panel) is shown on the surface of the Sun, in the bottom right quarter. The pattern has a pictogram of a motor on the top and the text "Check Engine" below it, both in orange inside a black square, matching the orange color of the Sun.]

[Caption below the panel:]

This new sunspot cluster has raised concern among astronomers


(Sourced from explainxkcd.com)

Title text:They say it's probably safe to keep orbiting for a while, but if it stays on or starts flashing we might have to call someone.


ExplainOriginal