autumnal equinox

The September Equinox: ‘Tis the Season to Spy the Zodiacal Light

by David Dickinson September 16, 2013

Want to stay on top of all the space news? Follow @universetoday on Twitter This week leading up to the September equinox offers you a fine chance to catch an elusive phenomenon in the pre-dawn sky. We’re talking about the zodiacal light, the ghostly pyramid-shaped luminescence that heralds the approach of dawn. Zodiacal light can […]

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