Solar Events. Eclipses, Sunspots, Solar Flares & Aurora Borealis. Moon Phases. New Moon, New Crescent, First Quarter, Waxing Gibbous, Full Moon, Waning Gibbous, Last Quarter, Old Crescent, New Moon (again) New moon not seen just illuminated side facing away from Earth. Solar Eclipse.
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Eclipses, Sunspots, Solar Flares &Aurora Borealis
Umbra – Moon’s dark inner shadow, when strikes Earth we see total solar eclipse
Penumbra – Moon’s faint outer shadow, when strikes Earth we see a partial solar eclipse
Which one is safe to look at directly? Why?
Penumbral Lunar Eclipse – Moon passes through Earth’s penumbral shadow, subtle and hard to observe
Partial Lunar Eclipse – portion of Moon passes through Earth’s umbral shadow, easy to see
Total Lunar Eclipse – entire Moon passes through Earth’s umbral shadow, Moon turns brilliant red through entire phases