The CosmosForge cast

Each friend shows you one idea by how they act. Meet them all and see how the ideas fit together.

1. Gleam Stellar luminosity / electromagnetic radiation / observation Read the story →
2. Sway Gravity / orbits / mutual attraction Read the story →
3. Swirl Galactic rotation / spiral structure / angular momentum Read the story →
4. Mist Nebulae / dust / gas / accretion / stellar nurseries Read the story →
5. Tide Cosmological expansion / Hubble flow / cosmic time Read the story →
6. Maw Black hole / event horizon — gravity so strong that even light comes to rest Read the story →
7. Wink Exoplanet detection — finding hidden worlds by the tiny dip they make in a star's light (the transit method) Read the story →
8. Squint Cosmic distance / parallax — measuring how far a star is by how much it shifts between two viewpoints Read the story →
9. Dust Nucleosynthesis — the atoms in you were forged inside stars and scattered when they died Read the story →
10. Relic Cosmic microwave background — the oldest light, the faint afterglow of the universe's beginning Read the story →

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