Stars
History of Márcio Farias - Viseu, Portugal
Stars, planetary systems and star clusters are integrated into vast structures known as galaxies. Galaxies are conglomerates composed of countless millions of stars, plus non-stellar celestial objects, gases and dust particles, all moving collectively around their central regions. Within galaxies, gas and dust gather to form nebulae, which can either arise from the remnants of the stellar life cycle or be associated with the birth of new stars... Did you know?