>>18868690Star formation started really early in massive elliptical galaxies and got quickly extinguished. They are still really high in metallicity even though their star formation periods generally only lasted 0 to 2 billion years from the big bang and stopped afterwards.
So they have all the elements on the periodic table necessary for life and technology, 10 billion years before our galaxy did, waaay back in the early universe. There were a lot of powerful quasars near the center that stripped the atmospheres and life off of any fledgling planet that might support life, but still a lot of resources for anyone who comes to take a galaxy like that. People should still be fine underground, living under ice, or with radiation shielding on space habitats and ships.
Watch Issac Arthur on youtube.com to learn more.
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