And, in the center, there is a very old bulge, that contains most of the old stars.
These stars are forging new elements, creating the ingredients for all theplanets and, ultimately, even for life to exist.
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NOVA travels back in time to unlock the turbulent story of our cosmic neighborhood.
Here's why—and how they burn out.
It creates these huge structures into which ordinary matter falls, and then that matter all gets compressed and can turn into stars.
The Fall session will be completed by Friday, September 30th, 2022.
So, you might think they are going to be very similar galaxies with a very similar history.