A zodiacal cloud close to home
The beautiful zodiacal light visible in Earth's sky could have inspired the most iconic structures of ancient Egypt.
June 28, 2010
The exozodiacal dust clouds that surround other stars both hinder and help astronomers searching for planets beyond our solar system.
A Sun pillar would have been a dazzling sight to the ancient Egyptians — as it is to us today. The shape could have inspired the creation of obelisks.
Photo by Randall Wehler
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