Solar eclipses more tightly restrict where you can see them because the Moon casts a smaller shadow than Earth does. (The technical name for that, by the way, is syzygy.
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These alignments don’t happen at every new and full Moon because the lunar orbit is tipped about 5° to Earth’s orbital plane - only occasionally do the Sun, Earth, and Moon line up exactly enough for an eclipse to occur. Conversely, a lunar eclipse takes place during full Moon, when our satellite passes through Earth’s shadow. “A solar eclipse… occurs only at new Moon, when the lunar disk passes directly between us and the Sun. Sky & Telescope does a good job of describing how and why: Note: You’ll need to convert from (UTC) Coordinated Universal Time to your time zone. When will the eclipse happen in your town? Check-out NASA’s Interactive Map to pinpoint when you should be on the look-out for the big celestial event. to dawn their eclipse lenses at 9:05 am PDT with totality commencing at 10:16 am PDT. The entire event will last about 3 hours, but the longest period of total darkness will be under 3 minutes. During a solar eclipse, the moon obstructs the Earth’s view of the sun completely or in part. experienced a total eclipse, bell bottoms and disco were all the rage & the year was 1979.
In 1,000’s of towns & cities and 14 states from sea to shining sea, there will be total darkness for over 2 minutes in the middle of the day. On August 21, the lure of staring at the sun is going to overcome most Americans… as we try to catch a glimpse of the solar eclipse.
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Once the flash of the sun reappears, it’s time to get back under the hood, outfitted with a #14 lens or an ISO 12312-2 compliant & CE certified pair of special shades. Same goes for slipping a #14 lens into your hood or goggles to stare at the sun… keep your hood down, til there’s total darkness & then it’s safe to gaze upon the wonder of the sunless sky (or your weld zone) and the world around you. It feels like you’re wandering around blind for a moment, but once you strike an arc, your small glimpse of the world comes into view.
Watching an eclipse is similar to welding with a passive lens.
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