Size Comparison of Galaxies - Welcome to the 2.0 version of the galaxy size comparison. This animation illustrates the relative sizes of different galaxies, showcasing their vast diameters and the immense number of stars within them. By visualizing these staggering differences, we gain a clearer perspective on how each galaxy compares to our own, the Milky Way, and others scattered across the universe. | The Brain Maze

Thousands of Hidden Black Holes Found in Small Galaxies (2025 Discovery) #BlackHole #SpaceDiscovery #Astronomy In 2025, astronomers made a stunning discovery: thousands of hidden black holes were found inside small and dwarf galaxies across the universe. For years, scientists believed black holes mainly lived in massive galaxies. New deep-space surveys revealed that even the smallest galaxies can hide powerful black holes at their cores — completely changing our understanding of how galaxies and