O͘-sek (烏色; black), kán-lio̍k kóng o͘ (烏), sī siāng-kài chhim ê sek, sī bô khó-kiàn kng ia̍h-sī khó-kiàn kng pī oân-choân khip-siu ê kiat-kó. O͘-sek sī chi̍t chióng bô sek-siòng ê sek-chhái, chhiūⁿ pe̍h-sek ia̍h phú-sek mā sī.[1] O͘ it-poaⁿ the̍h-lâi tāi-piáu kap phì-jū o͘-àm, ah pe̍h tāi-piáu kong-bêng.[2]
- Ū chi̍t-ê Tiong-kok su-sióng-ka hō-chòe "Ô͘ Sek".
O͘ ba̍k-chúi sī ìn-soat chheh, sin-bûn-chóa kap bûn-kiāⁿ siāng chia̍p ēng ê sek-chhái, in-ūi o͘ ba̍k-chúi tī pe̍h chóa téng tùi-pí bêng-hián, tha̍k--khí-lâi khah khin-sang. Kāng-khoán ê goân-in, o͘-sek ê jī phòe pe̍h-sek ê êng-bō͘ pōe-kéng sī tiān-náu siāng chia̍p sú-iōng ê hián-sī hong-sek.[3] Tī chhái-sek ìn-soat hong-bīn, o͘-sek ē tah-phòe khín-chheⁿ (cyan), n̂g-sek kap hún-âng (magenta) lâi piáu-ta̍t chhut siāng chhim-sek ê sek-chhái.
O͘-sek kap pe̍h-sek tiāⁿ-tiāⁿ the̍h-lâi biâu-su̍t tùi-li̍p; te̍k-pia̍t sī chin-siòng kap bû-ti, siān-liông kap ok-chit, O͘-àm Sî-tāi kap Khé-bông Sî-tāi. O͘-sek tī Tiong-sè-kí sī chong-giâm kap khoân-ui ê tāi-piáu, só͘-í káu taⁿ hoat-koaⁿ goân-chāi chhēng o͘ saⁿ.[2]
O͘-sek sī sin-chio̍h-khì sî-tāi the̍h-lâi ōe mi̍h-kiāⁿ ê thâu chi̍t ê sek-chhái chi it. Tī 14 sè-kí ê Au-chiu, o͘-sek ê hok-chong pī tōa-liōng kùi-cho̍k, bo̍k-su, hoat-koaⁿ kap chèng-hú koaⁿ-hong. 19 sè-kí, o͘-sek ê saⁿ chiâⁿ-chò lōng-bān-chú-gī si-jîn, seng-lí-lâng kap chèng-tī jîn-bu̍t ài chhēng ê saⁿ; 20 sè-kí chiâⁿ-chò hui-siông liû-hêng ê hok-chong sek-chhái.[2]
Tī Lô-má Tè-kok, o͘ sī pi-siong ê sek-chhái; tī soah--lo̍h-lâi ê kúi-nā ê sè-kí, o͘-sek hām sí-bông, siâ-ok, ang-î kap mô͘-su̍t ū-koan. Kin-kì chi̍t hāng tī Pak Bí-chiu kap Au-chiu ê tiâu-cha hoat-hiān, o͘-sek siāng chia̍p chham pi-siong, kiat-sok, sîn-pì, mô͘-su̍t, le̍k-liōng, pō-le̍k, ok-chit kap iù-siù khan-liân chò-hòe.[4]
Le̍k-sú kap gē-su̍t
Sú-chêng sî-tāi
O͘-sek sī thâu chi̍t ê the̍h-lâi chò gē-su̍t chhòng-chok ê sek-chhái chi it.
Kó͘-chá sî-tāi
O͘-sek tī Kó͘ Ai-ki̍p ū chiàⁿ-bīn ê hâm-ì.
Āu-kó͘-tián sî-tāi
Hiān-tāi
Kho-ha̍k
Bu̍t-lí-ha̍k
Hòa-ha̍k
Thian-bûn-ha̍k
- O͘-khang sī chi̍t ê sî-khong khu-he̍k, i-ê tiōng-le̍k chó͘-chí pau-hâm kng chāi-lāi ê jīm-hô mi̍h-kiāⁿ thoat-lī.[5] It-poaⁿ siong-tùi lí-lūn ī-chhek, hui-siông kīn-óa ê chit-liōng ē tì-sú sî-khong piàn-hêng, chiâⁿ-chò o͘-khang. Tī o͘-khang ê chiu-piⁿ ū chi̍t ê sò͘-ha̍k tēng-gī ê piáu-bīn hō-chò sū-kiāⁿ ê tē-pêng-sòaⁿ, chhiau-kòe hit-ê tiám, bô jīm-hô kng-sòaⁿ hoán-siā. Sī-án-chóaⁿ hō-chò "o͘-khang", in-ūi i khip-siu liáu só͘-ū chiap-chhiok tio̍h chit-ê pian-kài ê kng-sòaⁿ, bô jīm-hô hoán-siā hiān-siōng; tio̍h chhin-chhiūⁿ jia̍t-le̍k-ha̍k ê oân-bí o͘-thé kāng-khoán.[6][7]
- O͘-thé hòng-siā sī tī te̍k-tēng un-tō͘ hā, ùi bu̍t-thé hòng-siā chhut-lâi ê lêng-liōng.
Ùi Hubble Thài-khong Tiàu-kiàⁿ khòaⁿ tio̍h ê NGC 406 gîn-hô
NASA Spirit Rover tī Hóe-chheⁿ téng hip tio̍h ê nn̄g lia̍p Hóe-chheⁿ goe̍h-niû
Tī Tē-kiû tāi-khì gōa-kháu, thiⁿ m̄-koán ji̍t-sî ia̍h àm-sî lóng sī o͘--ê
An illustration of Olbers' paradox (see below)
Simulated view of a black hole in front of the Large Magellanic Cloud.
Seng-bu̍t-ha̍k
Bûn-hòa
Chèng-tī ūn-tōng
Kî-á
Kun-sū
Sìn-gióng
Thé-io̍k
Chham-khó
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