CG4: A Ruptured Cometary Globule

Discussion in 'Astronomy, Exobiology, & Cosmology' started by wet1, Oct 13, 2002.

  1. wet1 Wanderer Registered Senior Member

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    CG4: A Ruptured Cometary Globule
    Credit & Copyright: Anglo-Australian Observatory, Photograph by David Malin

    The odd looking "creature" to the right of center in the above photo is a gas cloud known as a cometary globule. This globule, however, has ruptured. Cometary globules are typically characterized by dusty heads and elongated tails. These features cause cometary globules to have visual similarities to comets, but in reality they are very much different. Globules are frequently the birthplaces of stars, and many show very young stars in their heads. The reason for the rupture in the head of this object is not completely known. The galaxy to the left of center is very far in the distance and is only placed near CG4 by chance superposition.
     

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