Florida 州天頂 ê 夜光雲

探索宇宙¹！逐工會揀一幅無仝款 ê 影像抑是相片，𤆬你熟似咱這个迷人 ê 宇宙，閣有專業天文學者²為你³解說⁴。

• 原始文章：Noctilucent Clouds over Florida
• 影像來源 kah 版權：Pascal Fouquet
• 台文翻譯：An-Li Tsai (NSYSU)

[漢羅] Florida 州天頂 ê 夜光雲

這寡雲實在是 足 無四常--ê。 第一，in 是 足罕得看著 ê 夜光雲，就是講，in 愛 tī 暗暝才看會著，毋過干焦 tī 日出進前 抑是 日落了後才看會著。 第二，咱知影這寡夜光雲 ê 來源。 這是一个真罕得拄著 ê 情形。 高層大氣 內底 反射日光 ê 冰晶，是 ùi 30 分鐘前 tī 附近發射 ê SpaceX 火箭 來--ê。 伊較正式 ê 名 是 極地中氣層雲。 天頂這寡 牽絲 ê 冰，攏牽 tùi 天頂 ê 月眉面頭前。 這張相片 kah 這个連結內底 ê 影片，是一禮拜前 tī 美國 Florida 州 Orlando 翕--ê。 月娘正爿彼个光點是 木星，正爿地平線頂懸 一點一點 ê 光點 是 飛龍機。

[POJ] Florida chiu thiⁿ-téng ê Iā-kng-hûn

Chit kóa hûn si̍t-chāi sī chiok bô sù-siông--ê. Tē-it, in sī chiok hán-tit khòaⁿ--tio̍h ê iā-kng-hûn, to̍h sī kóng, in ài tī àm-mê chiah khòaⁿ-ē-tio̍h, m̄-koh kan-na tī ji̍t-chhut chìn-chêng ia̍h-sī ji̍t-lo̍h liáu-āu chiah khòaⁿ-ē-tio̍h. Tē-jī, lán chai-iáⁿ chit kóa iā-kng-hûn ê lâi-goân. Che-sī chi̍t-ê chin hán-tit tú-tio̍h ê chêng-hêng. Ko-chân tāi-khì lāi-té hoán-siā ji̍t-kng ê peng-chiⁿ, sī ùi 30 hun-cheng chêng tī hù-kīn hoat-siā ê SpaceX hóe-chìⁿ lâi--ê. I khah chèng-sek ê miâ sī Ke̍k-tē Tiong-khì-chân hûn. Thiⁿ-téng chit kóa khan-si ê peng, lóng khan tùi thiⁿ-téng ê goe̍h-bâi bīn-thâu-chêng. Chit-tiuⁿ siòng-phìⁿ kah chit-ê liân-kiat lāi-té ê iáⁿ-phìⁿ, sī chi̍t lé-pài chêng tī Bí-kok Florida chiu Orlando hip--ê. Goe̍h-niû chiàⁿ-pêng hit-ê kng-tiám sī Bo̍k-chhiⁿ, chiàⁿ-pêng tē-pêng-sòaⁿ téng-koân chi̍t-tiám chi̍t-tiám ê kng-tiám sī poe-lêng-ki.

[KIP] Florida tsiu thinn-tíng ê Iā-kng-hûn

Tsit kuá hûn si̍t-tsāi sī tsiok bô sù-siông--ê. Tē-it, in sī tsiok hán-tit khuànn--tio̍h ê iā-kng-hûn, to̍h sī kóng, in ài tī àm-mê tsiah khuànn-ē-tio̍h, m̄-koh kan-na tī ji̍t-tshut tsìn-tsîng ia̍h-sī ji̍t-lo̍h liáu-āu tsiah khuànn-ē-tio̍h. Tē-jī, lán tsai-iánn tsit kuá iā-kng-hûn ê lâi-guân. Tse-sī tsi̍t-ê tsin hán-tit tú-tio̍h ê tsîng-hîng. Ko-tsân tāi-khì lāi-té huán-siā ji̍t-kng ê ping-tsinn, sī uì 30 hun-tsing tsîng tī hù-kīn huat-siā ê SpaceX hué-tsìnn lâi--ê. I khah tsìng-sik ê miâ sī Ki̍k-tē Tiong-khì-tsân hûn. Thinn-tíng tsit kuá khan-si ê ping, lóng khan tuì thinn-tíng ê gue̍h-bâi bīn-thâu-tsîng. Tsit-tiunn siòng-phìnn kah tsit-ê liân-kiat lāi-té ê iánn-phìnn, sī tsi̍t lé-pài tsîng tī Bí-kok Florida tsiu Orlando hip--ê. Gue̍h-niû tsiànn-pîng hit-ê kng-tiám sī Bo̍k-tshinn, tsiànn-pîng tē-pîng-suànn tíng-kuân tsi̍t-tiám tsi̍t-tiám ê kng-tiám sī pue-lîng-ki.

[English] Noctilucent Clouds over Florida

These clouds are doubly unusual. First, they are rare noctilucent clouds, meaning that they are visible at night -- but only just before sunrise or just after sunset. Second, the source of these noctilucent clouds is actually known. In this rare case, the source of the sunlight-reflecting ice-crystals in the upper atmosphere can be traced back to the launch of a nearby SpaceX rocket about 30 minutes earlier. Known more formally as polar mesospheric clouds, the vertex of these icy wisps happens to converge just in front of a rising crescent Moon. The featured image -- and accompanying video -- were captured over Orlando, Florida, USA about a week ago. The bright spot to the right of the Moon is the planet Jupiter, while the dotted lights above the horizon on the right are from an airplane.

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