【摘要】 张钰哲同志是我国老一辈的天文学家,长期从事小行星、彗星的研究,成绩卓著,小行星第2051号即是以他的名字命名的。更多还原

【Abstract】 Zhang Yuzhe is a famous Chinese astronomer. He has engaged in the research of asteroids and comets for a long time and bas made outstanding contributions. In the period of 1941-1982, he was the Director of the Purple Mountain Observatory, Academia Sinica. Since 1982, he has been honored as the Director Emeritus of the PMO. The no. 2051 asteroid was named after Chang (Zhang) by the International Minor Planet Center.更多还原