
Solar Systems Defy Theories
July 29, 2004
Stuart Ross Taylor (Australian National University, Canberra) feels left behind. The astronomers have their nice, neat H-R diagrams to explain stars, but no such diagram exists for planetary scientists. Our hodgepodge collection of planets, moons and small bodies defies classification, to say nothing of the extrasolar planets that have been discovered so far, mostly in […]