The Dark Cloud of the Wolf

(Slate::Bad Astronomy) – Phil Plait:

The space between stars is not empty.

Dark, cold, ghostlike material lurks there, as thin as a politician’s promise. Astronomers call this material “dust,” but don’t be fooled; it’s not like the little tumbleweeds you find under your desk. This stuff is made of grains of minerals and complex carbon-based molecules much like soot, created in the atmospheres of stars and blown out into the depths of space. …

bad_astronomy/2016/01/28/lupus_4

Lupus 4 dark cloud

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