Tag Archives | comet ison


Comet ISON: ashes to ashes, dust to dust

After several days of continued observations, NASA scientists still don’t know whether the bright spot seen moving away from the Sun was a cloud of dust or the remnant nucleus of Comet ISON, but they conclude that whatever it was has likely now disintegrated completely. Comet ISON, which began its journey from the Oort Cloud […]

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“I’m back!” Comet ISON hangs on in there

\ When ISON failed to reappear after its close encounter with the Sun on Thanksgiving, NASA scientists thought it had disintegrated completely. Passing less than a million miles above the surface of the Sun would have exposed the comet to temperatures over 2,000 Celsius. However, a bright streak observed by the Solar and Heliospheric Observatory […]

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Thanksgiving close encounter looms for comet ISON

As the comet ISON heads toward its closest approach to the Sun tomorrow (Nov. 28), scientists have been trying to work out if the comet might already have broken up from the intense heat and gravitational forces of the Sun. The latest image, taken by the ESA/NASA Solar Observatory, shows the comet entering from the […]

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