There is a giant fusion reactor right next door and it has been a bit temperamental lately. Why is anyone surprised? LOL
Because its output is called "the Solar constant"
Its anything but constant, but calling it constant stops any thought of its variability.
It's
When it was an article of faith that all heavenly bodies were flawless, no one thought it was unusual that the flawless face of the Moon was covered in splotches and blemishes.
Kinda hard to get a solar furnace repairman in the stellar neighborhood.
Union issues.