Extraordinary

 

Lightning and Orion Beyond Uluru

2021 May 11

Astronomy Picture of the Day: Extraordinary Solar Halos

Welcome to the December Solstice, the first day of winter in planet Earth's northern hemisphere and summer in the south.

Astronomy Picture of the Day: The Extraordinary Spiral in LL Pegasi

What created the strange spiral structure on the upper left?

Astronomy Picture of the Day: Red Cloudbow over Delaware

What kind of rainbow is this? In this case, no rain was involved -- what is pictured is actually a red cloudbow.

Astronomy Picture of the Day: Total Solar Eclipse Corona in HDF

How great was the Great American Eclipse? The featured HDR image shows it to be perhaps greater than we knew.

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