Laura Helmuth on Nostr: Sunspot activity is near its peak, and you can see some of the most impressive ones ...

Sunspot activity is near its peak, and you can see some of the most impressive ones with the naked eye -- as long as your naked eye is protected with eclipse glasses or using other techniques. Here's how: https://www.scientificamerican.com/article/how-to-see-sunspots-with-your-own-eyes/ by npub1nt7szvkpuewudvs9qtcthez4cr3m6mt2v5erjtw6s5fnf0xwm3equ9z00k (npub1nt7…z00k)