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A 'ring of fire' just appeared in the sky over Antarctica. Here's what happened during today's annular solar eclipse
An annular eclipse swept over a remote corridor of Antarctica on Feb. 17.
A newly studied solar system breaks the usual planet pattern, raising fresh questions about how rocky and gas planets form.
A stunning “ring of fire” eclipse was totally visible to a lucky few in the Southern Hemisphere. Here’s how to see the next one ...
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