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SOHO Watches Solar Coronal Mass Ejection

On 21 Nov 2005 a coronal mass ejection (CME) erupted from the Sun; just as the edge of the CME cloud was reaching the left side of the coronagraph imager's field of view, Mercury put in an appearance.

Paris (ESA) Nov 28, 2005
On 21 Nov 2005 a coronal mass ejection (CME) erupted from the Sun, a fairly common event. Scientists reviewed the images and data and concluded this particular CME had its source on the far side of the Sun, so it is safe to say that there will not be effects felt here at Earth from this event.

However, just as the edge of the CME cloud was reaching the left side of the coronagraph imager's field of view, little Mercury put in an appearance. In its regular orbit around the Sun, Mercury appears every two months or so in our coronagraph images.

It is noticeable in the video because it movement from left to right is faster than the field of stars beyond the Sun. It will move out of our field of view in a few days. Of course, it is SOHO's orbit around the Sun that makes the star field appear to move.

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Twin APL-Built Solar Probes Shipped To NASA Goddard For Pre-Launch Tests
Greenbelt MD (SPX) Nov 10, 2005
The first spacecraft designed to capture 3-D "stereo" views of the sun and solar wind were shipped Wednesday from the Johns Hopkins University Applied Physics Laboratory to NASA Goddard Space Flight Center for their next round of pre-launch tests.

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