astronomer

n.

天文学者，天文学家；

复数：astronomers

radio astronomer n. 射电天文学

1. He wished to be an astronomer when he was a child.
   他还是孩子的时候就梦想成为天文学家。
2. But one astronomer has just done precisely that.
   但是一位天文学家却恰恰做到了这一点。

A galactic astronomer
Amateur astronomer's handbook /
WFIRST-2.4: What Every Astronomer Should Know
The Astronomer's Role in the Sixteenth Century: A Preliminary Study
Note on the Astronomer Royal's Investigation of the Theoretical Value of the Acceleration of the Moon's Mean Motion
On Ptolemy as the Greatest Astronomer of Antiquity. (Book Reviews: A History of Ancient Mathematical Astronomy)
Astronomical photometry : a text and handbook for the advanced amateur and professional astronomer
The writings of Giovanni Angelo Brunelli, astronomer of the Portuguese Boundaries Demarcation Committee (1753-1761), about the Brazi...
Bimodality in Damped Lyα SystemsVisiting Astronomer, W. M. Keck Telescope. The Keck Observatory is a joint facility of the Universi...
Insulin Resistance and LVH Progression in Patients With Calcific Aortic Stenosis : A Substudy of the ASTRONOMER Trial