观星指南（2023.01）
1月份的天空会发生什么？
行星会有一些近距离的相遇，冬天的明亮恒星，还有机会观测彗星。
行星
天文·每日一图
太阳系的行星：倾角和自转
2022年9月11日 Planets of the Solar System: Tilts and Spins Video Credit: NASA, Animation: James O’Donoghue (JAXA) Explanation: How does your favorite planet spin? Does it spin rapidly around a nearly vertical axis, or horizontally, or backwards? The featured video animates NASA images of all eigh
天文·每日一图
太阳系行星的迹线
2022年7月1日 The Solar System’s Planet Trails Image Credit & Copyright: Zheng Zhi Explanation: Stars trail through a clear morning sky in this postcard from a rotating planet. The timelapse image is constructed from consecutive exposures made over nearly three hours with a camera fixed to a
