Back to Space & Astronomy
⭐
⭐ Stars & Galaxies
Life Cycle of Stars
From nebula to red giant to white dwarf or supernova — the birth, life and death of stars
Universe 🌌 1950 Stars & Galaxies
Key Facts
- 1
Stars form in nebulae (gas/dust clouds); fuse hydrogen → helium for billions of years on the "main sequence"
- 2
Massive stars explode as supernovae, creating heavy elements; remnants become neutron stars or black holes
- 3
Our Sun is a yellow dwarf; red dwarfs are the most common star (70% of all stars); blue supergiants are the rarest and hottest
🌌 Did you know? "We are all made of star stuff" — Carl Sagan; every atom in your body heavier than hydrogen was forged inside a star
Quick Reference
Category
Stars & Galaxies
Region
🌌 Universe
Year / Era
1950
About
From nebula to red giant to white dwarf or supernova — the birth, life and death of stars