The Antarctic Files: Part III

In late March (on our fall equinox), the Sun finally fell below the horizon. Coinciding with sunset, we were looking forward to seeing an atmospheric effect called a ‘green flash,’ but unfortunately it was overcast at the time. This green flash can be seen elsewhere in the world during sunset or sunrise over a clean, clear horizon (such as over the ocean on a calm, clear day) but can be more prolonged here due to the relative speed of the Sun. However we did distinctly see another atmospheric effect, that of the Earth’s shadow being cast across the sky.

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