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A comet dove into the sun on May 11th and seemed to trigger a massive eruption--emphasis on seemed. A comet goes in; a CME comes out. Coincidence? Probably, yes, the sequence was coincidental. The comet disintegrated as much as a million kilometers above the stellar surface. There's no known way that the wispy, vaporous remains of a relatively lightweight comet could cause a billion-ton cloud of hot plasma to fly away from the sun at 400 km/s (the observed speed of the CME). Moreover, NASA's Solar Dynamics Observatory photographed the eruption that did propel the CME into space. There's no comet in the field of view of this must-see movie.
A coronal mass ejection launched from the sun's eastern limb on May 9th could deliver a glancing blow to Earth's magnetic field today. NOAA forecasters estimate a 40% chance of geomagnetic activity if and when the CME arrives. High-latitude sky watchers, be alert for auroras.
Some comets crash into the Sun or get so close that they burn up; these comets are called sungrazers.
I agree with this statement even though they felt the need to "emphasize" the word 'seemed'.
A comet dove into the sun on May 11th and seemed to trigger a massive eruption--emphasis on seemed.
Probably yes, but most likely no. This statement is a bit ambiguous and seems to be focusing on a 'no CME/comet' connection. It appears that NASA has their minds made up on this question even before it is asked.
A comet goes in; a CME comes out. Coincidence? Probably, yes, the sequence was coincidental.
This statement I have a problem with. There is no known way that a comet could cause a CME unless one looks into Plasma cosmology. Describing a comet as relatively lightweight, compared to the Sun, is fine but "wispy" and "vaporous remains"? Where is the data to support this conclusion?
There's no known way that the wispy, vaporous remains of a relatively lightweight comet could cause a billion-ton cloud of hot plasma to fly away from the sun at 400 km/s