Introduction
1. Finding New Worlds: The Exoplanet Mass–Orbital Period Graph
2. What Happened to Pluto? The Mass–Orbital Distance Graph of Solar System Objects
3. Clues in Starlight: A Graph of Stellar Spectra
4. Stellar Lives: The Hertzsprung-Russell Diagram of Stars
5. The Cosmic Ladder: Leavitt’s Graph of Cepheid Stars
6. Our Expanding Universe: The Hubble Diagram of Galaxies
7. Galactic Lives: A Galaxy Color–Mass Graph
8. Missing Mass: The Rotation Curve of a Spiral Galaxy
9. Whose Time Is It? The Minkowski Spacetime Diagram
10. Warping Space: The Dyson-Eddington Graph of Lensed Stars
11. Supermassive: A Graph of the Orbits of Stars Around the Galactic Center Black Hole
12. Rippling Spacetime: The Graph of the First Gravitational Wave Signal
13. Primordial Light: A Graph of the Cosmic Microwave Background Spectrum
The Next Data Point
 

Acknowledgments
Abbreviations
Further Reading
Index