| 词条 | David Crawford (astronomer) |
| 释义 |
David Livingstone Crawford (born 1931) is an American astronomer. Crawford has a doctorate in astronomy from the University of Chicago and worked most of his scientific career at Kitt Peak National Observatory in Tucson, Arizona, and the National Optical Astronomical Observatories, where he is emeritus astronomer. He co-founded the International Dark-Sky Association with Tim Hunter in 1988. He won the 2010 Clifford W. Holmes Award for popularizing astronomy. References
4 : 1931 births|Living people|University of Chicago alumni|American astronomers |
| 随便看 |
|
开放百科全书收录14589846条英语、德语、日语等多语种百科知识，基本涵盖了大多数领域的百科知识，是一部内容自由、开放的电子版国际百科全书。