PICK OF THE WEEK
 
Pick of The Week
 
 

Comet Machholz Returns! (April 6, 2007)


Hi-res TIF image(4.0M)

MPEG: large (2.1M)
Quicktime: large (8.0M), small (129K)

We last saw Comet Machholz as a bright comet streaking past the Sun on Jan. 8, 2002 (see Hotshot from 2002). Well, guess what! It's back! After over five years of swinging through its elliptical orbit out in space, the same comet has returned. Though not as bright as it appeared last time around, it is hard to miss as it rises from the lower left in our LASCO C3 coronagraph's field of view. Note that the comet's tail always angles away from the Sun as it responds to the push of the solar wind. Comets are very old balls of ice and dust that fly around our solar system and beyond. Because it is so close to the Sun, SOHO has the best seat in the house for observing it.


SOHO began its Weekly Pick some time after sending a weekly image or video clip to the American Museum of Natural History (Rose Center) in New York City. There, the SOHO Weekly Pick is displayed with some annotations on a large plasma display.

If your institution would also like to receive the same Weekly Pick from us for display (usually in Photoshop or QuickTime format), please send your inquiry to steele.hill@gsfc.nasa.gov.

 
 

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