And now my friend Stuart who runs Astronomy Blog has done it one better: he’s created an H-R diagram of media stars. It’s awesome: That’s really funny, and I wish I had thought of it. The ...

Massive survey makes sense of the diversity of quasars A study of 20,000 quasars reveals an underlying relationship—and a mystery.

Letter Published: 27 June 1964 A Theoretical Domain for Flare Stars in the H–R Diagram ARCADIO POVEDA Nature 202, 1319–1321 (1964) Cite this article ...