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'Green Valley' Of Galaxies Shows Off Gas And Star Formation - Universe Today
We keep saying this: the universe is more complex than it appears. Conventional thinking in galaxy research postulates that spiral galaxies have star-forming areas, while ellipticals do not due to a lack of gas. While this thinking has been debunked, there’s now emerging research showing a “green valley” of galaxies somewhat in between these two types. … Continue reading "‘Green Valley’ Of Galaxies Shows Off Gas And Star Formation"