galaxiën
Galaxies are vast, gravitationally bound systems of stars, stellar remnants, interstellar gas, dust, and dark matter. They range in size from dwarf galaxies, containing only a few hundred million stars, to giant galaxies, with up to 100 trillion stars. Our own Milky Way galaxy is a spiral galaxy, estimated to contain between 100 and 400 billion stars.
Galaxies are not uniformly distributed throughout the universe. They are often found in clusters, and these
The study of galaxies is a fundamental part of astronomy. Scientists use telescopes to observe galaxies, analyze