Herbig-Haro HH-222 (The Waterfall Nebula)

 
Herbig-Haro HH-222 (The Waterfall Nebula)

Herbig-Haro 222 (HH-222, The Waterfall Nebula), roughly 1,350 light-years from Earth in the Great Orion Molecular Cloud complex, is one of the more mysterious structures yet found on the sky.
The elongated gaseous stream stretches about ten light years and emits an unusual array of colors. The Waterfall appears to converge on a bright but unusual non thermal radio source located toward the upper left of the curving structure.
The red jet near the bottom, called Herbig-Haro 34 (or HH 34), is a signpost of star birth. Several bright regions in the lumpy gas signify where material is slamming into each other, heating up, and glowing.
Ejected episodically by a young star like salvos from a cannon, the blobby material in HH 34 zips along at more than 440,000 miles (700,000 kilometers) an hour. When launched, the speedy jet may initially be confined to a narrow beam by the star’s powerful magnetic field.

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