Planet Hunter: Geoff Marcy and the Search for Other Earths

摘要

In the 1990s, when astronomer Geoff Marcy told colleagues he was hunting for planets beyond our solar system, the reaction was averted eyes, shuffling feet, and a change of topic. Such quixotic work was thought to signify career suicide. Now Marcy and his team are heroes, having discovered nearly half of the 400-plus exoplanets found so far.