Comet ISON heats up, grows new tail

Tail Comet Comet

I'm starting to get the chills about Comet ISON. I can't help it. With practically every telescope turned the comet's way fewer than three short weeks before perihelion, every week brings new images and developments. The latest pictures show a brand new tail feature emerging from the comet's bulbous coma.

For months, amateur and professional astronomers alike have watched ISON's slowly growing dust tail that now stretches nearly half a degree or a full moon's diameter. In the past two days, photos taken by amateur astronomers reveal what appears to be a nascent ion or gas tail. Damian Peach's Nov. 6 image clearly shows two spindly streamers ( via ).

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