Flame Nebula Sets Fire To Star Cluster Theory | Video

Simple theory held that centers of nebulas, where gas and dust condense, are the birthplaces of star clusters. But data from the Chandra X-ray Observatory, reveals that stars on the outskirts of this and other nebulas are actually the oldest.

X-Ray The Sky: Chandra's Cosmos Video Show

credit : NASA/CXC/A. Hobart