trigonometric parallax

例句：

1. 1. The planetaryalignments in the sky are a fascinating subject for astronomers.
   天空中的行星排列对天文学家来说是一个令人着迷的主题。
2. 2. The star's position is slightly offset from its true position due to the trigonometric parallax.
   由于天体测量的视差，星星的位置略有偏移。
3. 3. In this particular case, the parallax effect is responsible for the apparent shift in the stars' positions.
   在这个特定的情况下，视差效应是导致星星位置看似移动的原因。