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When SDO looks for a comet it does not see the dust and ion tails seen in a comet far from the Sun. We see oxygen ions, oxygen atoms with some electrons stripped off, glowing when they are hit by the hot electrons in the corona. The AIA telescopes normally look at iron ions, but the enormous amount of oxygen that comes off a comet allows that element to emit brighter for a while after the comet passes
reply to post by IkNOwSTuff
nobody's right all the time. not even god.
I see A LOT of people giving phage a hard time because he said the comet was dead... but for quite a while... every single source available said that ISON didn't make it.
A leading astronomer Tom Kerss said, “It would be an absolutely hellish environment, there’s never been a better time to use the words ‘snowball’s chance in hell”. Let’s wait for a few more days to find out as to what actually happens.
A tiny bit survived...so what? What is the relevance? We may or may not get to see something? It's no Hale Bopp.
I feel like my life depends on ISON not disappearing. Anyone else feel the same thing?