He̍k-chheⁿ
He̍k-chheⁿ (惑星, Eng.: planet), he̍k-chiá tha̍k he̍k-chhiⁿ, sī tī kúi-tō leh se̍h chheⁿ ê chheⁿ-thé, m̄-koh i pún-sin m̄ sī chheⁿ, mā m̄ sī tn̂g-boé-chheⁿ. He̍k-chheⁿ mā ū lâng kóng chò hêng-seng (行星), hêng-chheⁿ, hêng-chhiⁿ.
Hi-lia̍p-gí kā he̍k-chheⁿ hō-chò πλανήτης, planētēs, ì-sù sī tī thiⁿ-téng pha-pha-chaú ê lô-hàn-kha.
He̍k-chheⁿ ê tēng-gī chāi-lâi lóng ū cheng-gī, ū-ê thian-bûn-ha̍k-ka kiàn-gī Mê-ông-chheⁿ mài sǹg chò thài-iông-hē ê he̍k-chheⁿ, ū-ê kóng ài koh cheng-ka kaù 15, 20, sīm-chì koh-khah chē. Kok-chè Thian-bûn Chó͘-ha̍p (International Astronomical Union) tī 2006 nî koat-gī kā Mê-ông-chheⁿ lia̍t chò é-he̍k-chheⁿ, khiā kóng lán khiā ê thài-iông-hē (solar system) ū 8 lia̍p he̍k-chheⁿ.
Thài-iông-hē í-goā ū chheⁿ-hē (star system) ū ke̍k-té-chiu-kî he̍k-chheⁿ.
Thài-iông-hē siu-kái
Jīn-tēng ê he̍k-chheⁿ siu-kái
Chiàu Kok-chè Thian-bûn Chó͘-ha̍p 2006 nî ê koat-gī, thài-iông-hē ū 8 lia̍p he̍k-chheⁿ. Kap Ji̍t-thaû khah oá--ê pâi tāi-seng:
- Chúi-chheⁿ (thian-bûn hû-hō (astronomical symbol)
) - Kim-chheⁿ (
) - Tē-kiû (
; siòng-miā hû-hō 
) - 1 lia̍p oē-chheⁿ Goe̍h-niû (Luna, Moon) - Hoé-chheⁿ (
) - 2 lia̍p oē-chheⁿ Deimos, Phobos - Bo̍k-chheⁿ (
) - 63 lia̍p oē-chheⁿ - Thó·-chheⁿ (
) - 56 lia̍p oē-chheⁿ - Thiⁿ-ông-chheⁿ (
; siòng-miā hû-hō 
) - 27 lia̍p oē-chheⁿ - Hái-ông-chheⁿ (
) - 13 lia̍p oē-chheⁿ
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Lēng-goā é-he̍k-chheⁿ:
- Ceres (
) - Mê-ông-chheⁿ (
; siòng-miā hû-hō 
) - 5 lia̍p oē-chheⁿ - Eris (
) - 1 lia̍p oē-chheⁿ - Haumea (
) - Makemake (
)
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Goā-pō͘ liân-kiat siu-kái
- NinePlanets.org - tour of the solar system
- International Astronomical Union
- Solar System Live (an interactive orrery)
- Solar System Viewer (animation)
- Pictures of the solar system Archived 2008-02-16 at the Wayback Machine.
- Renderings of the planets Archived 2005-08-28 at the Wayback Machine.
- NASA Planet Quest
- Working definition of "planet" from IAU WGESP — the lower bound remained a matter of consensus in February 2003
- Dan Green's page on planet classification
- Gravity Rules: The Nature and Meaning of Planethood; S. Alan Stern; March 22, 2004
- On the status of Pluto Archived 2005-04-04 at the Wayback Machine.; IAU, February 3, 1999
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