Galaxy formation is hypothesized to occur from structure formation theories, as a result of tiny quantum fluctuations in the aftermath of the Big Bang.

Oct 22, 2024 · A black hole weighing 4 million Suns sits in the center of our own galaxy, the Milky Way. It’s possible that the black holes came first, and galaxies grew around them.

Feb 5, 2026 · Galaxy formation and evolution reveal how stars, gas, and dark matter build spirals, ellipticals, and dwarfs, shaping the cosmos across billions of years.

Center for Astrophysics | Harvard & Smithsonian scientists study galaxy formation and evolution in a variety ways: Looking for hidden structures and unusual stars that reveal the Milky Way’s history.

Jul 13, 2022 · Here are some of the most promising theories of how galaxies form, how and why they merge, as well as the different varieties of galaxies that have been observed. As the universe …

Nov 27, 2025 · Galaxy - Evolution, Quasars, Structure: The study of the origin and evolution of galaxies and the quasar phenomenon has only just begun.

With more than 100 billion galaxies in the observable universe, the exciting discoveries and unanswered questions are endless. Each one is unique, from ellipticals that have quenched their star formation to …