Daily Cosmobite: Autumn equinox

21_Sunset_Nick LombThis morning at 9:45am AEDT the Sun crossed from the southern to the northern part of the sky. On this day daytime and nighttime are almost equal at 12 hours each. Daytime though is a little longer than 12 hours due to the size of the Sun’s disc and because the atmosphere bends the light from the Sun.

Post from the Australasian Skyguide, written by Dr Nick Lomb.

Sunset occurs when the top edge of the Sun appears to sink below the horizon. Photo Nick Lomb

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