View Full Version : Massive Disk Galaxies Collapsed From a Single Cloud of Gas

2008-Jan-08, 11:10 PM
Here's the traditional thinking. The grand spiral galaxies like our own Milky Way took a long time to come together through a series of mergers between smaller galaxies. But what what if that's totally wrong? Instead of evolving slowly over time, some of the largest galaxies came together quickly, forming all at once when enormous [...]

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