Contains:  Solar system body or event
"Comet" Mercury, Steven Bellavia

"Comet" Mercury

"Comet" Mercury, Steven Bellavia

"Comet" Mercury

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Description

A 24 million km long plume of gas is ejected from Mercury's thin atmosphere due to the sun, very much like a comet.

This is only visible using a narrowband filter that captures the bright yellow sodium light at 589nm.

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