Story: Southern Cross

The Coal Sack

The Coal Sack

The Coal Sack is a dark region to one side of the Southern Cross. To the naked eye it looks like a hole in the Milky Way. The Coal Sack is a region of gas and dust, known as a dark nebula, which obscures light from the stars behind it.

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Starry Night Photography
Photograph by Chris Picking

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How to cite this page:

Maggy Wassilieff, 'Southern Cross - Stars and features of the cross', Te Ara - the Encyclopedia of New Zealand, http://www.TeAra.govt.nz/en/photograph/7489/the-coal-sack (accessed 16 October 2019)

Story by Maggy Wassilieff, published 12 Jun 2006