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Saturday, March 14, 2015

Astronomy Picture of the Day

Pillars and Jets in the Pelican Nebula 

What dark structures arise from the Pelican Nebula?

Visible as a bird-shaped nebula toward the constellation of a bird (Cygnus, the Swan), the Pelican Nebula is a place dotted with newly formed stars but fouled with dark dust. These smoke-sized dust grains formed in the cool atmospheres of young stars and were dispersed by stellar winds and explosions.

Impressive Herbig-Haro jets are seen emitted by a star on the right that is helping to destroy the light year-long dust pillar that contains it.

The featured image was scientifically-colored to emphasize light emitted by small amounts of ionized nitrogenoxygen, and sulfur in the nebula made predominantly of hydrogen and helium.

The Pelican Nebula (IC 5067 and IC 5070) is about 2,000 light-years away and can be found with a small telescope to the northeast of the bright star Deneb.

 See Explanation.  Clicking on the picture will download
 the highest resolution version available.

Image Credit & Copyright: Larry Van Vleet (LVVASTRO