comet of Neptune family

例句：

1. 1. The comet was visible from the telescope.
   从望远镜里可以看到这颗彗星。
2. 2. Comets are often associated with astrology.
   彗星常常与占星术联系在一起。
3. 3. The discovery of a new comet is always exciting news.
   发现一颗新的彗星总是令人兴奋的消息。