The 2024 solar eclipse across North America has come and gone—but your eclipse glasses remain behind. So, what should you do with them? Here are several options.
Eclipses aren't exactly common events, but if you operate on extremely long timelines and like to plan ahead, many eclipse glasses can be saved for future use, provided they are of the appropriate safety standard, said the American Astronomical Society (AAS)
"If your eclipse glasses or viewers are compliant with the transmittance requirements of the ISO 12312-2 safety standard, and if their filters aren't scratched, punctured, torn, coming loose from the frame or otherwise damaged, you may reuse them indefinitely," the AAS said.
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