Bradley
/ˈbrædlɪ/- Bradley, James (1693-1762), English astronomer. Bradley was appointed Astronomer Royal in 1742. He discovered the aberration of light and also observed the oscillation of the earth's axis, which he termed nutation. His star catalogue was published posthumously.布拉德利, 詹姆斯（1693-1762, 英国天文学家, 1742年被任命为皇室天文学家, 发现了光行差效应, 观察到了地轴的振动, 并称之为“章动”; 他的星系目录在死后才出版）。