"Lagrange tiám" pán-pún chi-kan bô-kāng--ê tē-hng
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Tē 7 chōa:
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== Ūi ==
Lán kā 2-ê chhiⁿ-thé tiong-kan chit-liōng khah tōa-·ê hit-ê hō-chò M<sub>1</sub>, khah sòe-·ê hō-chò M<sub>2</sub>.
===L<sub>1</sub>===
L<sub>1</sub> tiàm-tī 2-ê chhiⁿ-thé tiong-ng, khah óa M<sub>2</sub> ê só͘-chāi. [[NASA]] tī [[jı̍t-thâu]] kap tē-kiû ê L<sub>1</sub> an 1-ê [[Advanced Composition Explorer]], beh koan-chhat jı̍t-thâu ê oa̍h-tōng.
===L<sub>2</sub>===
L<sub>2</sub> tiàm-tī M<sub>1</sub> kap M<sub>2</sub> khan-·khí·lâi ê hit-tiâu soàⁿ téng-bīn, tī M<sub>2</sub> ê gōa-kháu. NASA tī tē-kiû ê L<sub>2</sub> an 1-ê [[Wilkinson Microwave Anisotropy Probe]].
Nā-sī M<sub>1</sub> phēng M<sub>2</sub> tōa chiâⁿ-chōe, L<sub>1</sub> kap L<sub>2</sub> lî M<sub>2</sub> tō chha-put-to pîⁿ hn̄g, lóng tī [[Hill kiû-bīn]] téng-koân. Hill kiû-bīn ê poàⁿ-kèng ''r'' sī
:<math>r \approx R \sqrt[3]{\frac{M_2}{3 M_1}}</math>
===L<sub>3</sub>===
L<sub>3</sub> tiàm-tī M<sub>1</sub> kap M<sub>2</sub> khan-·khí·lâi ê hit-tiâu soàⁿ téng-bīn, tī M<sub>1</sub> ê gōa-kháu, mā tī M<sub>2</sub> ê kúi-tō gōa-kháu.
===L<sub>4</sub> kap L<sub>5</sub>===
L<sub>4</sub> kap L<sub>5</sub> tiàm-tī M<sub>2</sub> ê kúi-tō tēng bīn, kap M<sub>1</sub> ōe-tàng chiâⁿ-sêng chiàⁿ-[[saⁿ-kak-hêng]] ê 2-ê só͘-chāi. Chit-2-ê tiám mā hō-chò Trojan tiám, he sī in-ūi [[ba̍k-chhiⁿ]] kúi-tō ê L<sub>4</sub> kap L<sub>5</sub> ū 2-tīn [[sió-he̍k-chhiⁿ]], lóng ēng [[Homer]] siá ê [[Illiad]] lāi-tóe ê kha-siàu lâi hō-miâ, só͘-í lâng kā kiò-chò [[Trojan sió-he̍k-chhiⁿ]].
== Ún-tēng-sèng ==
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