Thian-kiû
外觀
![](http://chped.net/https/upload.wikimedia.org/wikipedia/commons/thumb/1/1a/Celestial_sphere.svg/250px-Celestial_sphere.svg.png)
Thian-kiû sī ká-sióng ê chi̍t-ê kiû-bīn, tùi tē-kiû chòe tiong-sim, hiòng thian-khong koan-chhat khòaⁿ-kìⁿ ê thian-thé, lóng pâi-lia̍t tī thian-kiû ê piáu-biān. Thian-kiû tī kó͘-chá sī chin-chē bûn-hòa tùi ú-tiū ê siūⁿ-hoat, tī hiān-tāi ê thian-bûn-ha̍k, thian-kiû chi̍t-ê khài-liām mā koh ū èng-iōng.