Stars & Galaxies
How stars are born, live and die, and how galaxies form, collide and evolve.
Stars
Black Holes Explained: Horizons, Singularities and Evidence
What black holes are, how they form, why light cannot escape, and how astronomers detect them through X-rays, orbits and gravitational waves.
StarsLife Cycle of Stars: From Birth to Remnant
How stars form in molecular clouds, burn hydrogen for millions to trillions of years, and end as white dwarfs, neutron stars or black holes.
StarsTypes of Galaxies: Ellipticals, Spirals and Irregulars
How astronomers classify galaxies by shape into ellipticals, spirals, lenticulars and irregulars, and what each type reveals about its stars and history.