Mê-ông-chheⁿ

Mê-ông-chheⁿ (Pluto) sī thài-iông-hē khah goā-khaú-pêng ê 1 lia̍p chheⁿ-thé (celestial body). 1930 nî hông hoat-hiān, tòng-chò 1 lia̍p he̍k-chheⁿ. I ê kúi-tō kap pa̍t lia̍p he̍k-chheⁿ bô kâng, ke chin chhu, ū-sî-á koh phēng Hái-ông-chheⁿ khah oá Ji̍t-thaû. 1978 nî chhoē tio̍h i siōng toā lia̍p ê oē-chheⁿ Charon, 2005 nî koh chhoē tio̍h lēng-goā 2 lia̍p khah sè lia̍p ê oē-chheⁿ Nix kap Hydra. Kok-chè Thian-bûn Chó͘-ha̍p (IAU) tī 2006 nî 8 goe̍h thong-koè kā Mê-ông-chheⁿ ê tē-ūi ùi he̍k-chheⁿ kàng-ki̍p kàu é-he̍k-chheⁿ (dwarf planet). [1]

Kap pa̍t lia̍p he̍k-chheⁿ sio pí-phēng, Mê-ông-chheⁿ ke chin sè lia̍p, kúi-tō mā chin bô sio-siâng, beh án-choáⁿ kā tēng-ūi chāi-lâi lóng ū cheng-gī. Ná lâi ná chē lâng tông-ì i sī chú-iàu ê he̍k-chheⁿ, iū-koh sī chhù-iàu ê he̍k-chheⁿ. Mê-ông-chheⁿ mā sǹg sī Hái-ông-chheⁿ goā chheⁿ-thé (trans-Neptunian object), in-ūi 2005 nî 7 goe̍h 31 chhoē tio̍h 1 lia̍p Hái-ông-chheⁿ goā chheⁿ-thé 2003 UB₃₁₃, phēng Mê-ông-chheⁿ koh-khah toā lia̍p.

Goā-pō͘ liân-kiat

• NASA's Pluto fact sheet
• StudyWorks! Online: Is Pluto a Planet? - summarizes the pros and the cons of classifying Pluto as a planet
• David H. Freedman, "When is a Planet Not a Planet?", Atlantic Monthly, February 1998.
• NASA's Pluto-Kuiper Belt Mission - launching in early 2006.
• Pluto in Science Fiction - Bibliography of science fiction which is set on Pluto.
• Pluto/Neptune crossings
• Space.com article on second and third moons
• NASA's Hubble Reveals Possible New Moons Around Pluto – Hubble Press Release
• Possible New Moons