View Full Version : What Is This Empty Hole In Space?

2015-Jan-10, 12:00 AM
What may appear at first glance to be an eerie, empty void in an otherwise star-filled scene is really a cloud of cold, dark dust and molecular gas, so dense and opaque that it obscures the distant stars that lie beyond it from our point of view. Similar to the more well-known Barnard 68, “dark […]

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