Kern arc
Kern arc bụ ihe na-adịghị ahụkebe nke ikuku nké sitere na ezinụlọ nke ice crystal halos. Ọ bụ okirikiri zuru okè na nke na-adịghị ike gburu-gburu zenith, n'adịghị ka okirikiri okirikiri na-emetụta yá nà nkè a na-ahụkarị, nké bụ naanị okirikiri.
A na-akpọ oghere Kern aha H.F.A. Kern na Netherlands, ónyé mbụ kọrọ ya na ụbọchị asatọ n'ọnwa Ọktoba, 1895.[1] Kemgbe ahụ, a kọọrọ ya ugboro isii.[2]
A na-emepụta ya site na ụzarị na-abanye n'elu ihu nkè kristal dị larịị ma na-apụ site na ihu dị nso. Igwe ụzarị ụzarị na-enwe n'ime n'akụkụ ihu na-agbadata na 60 ° na ihu ọpụpụ. N'akụkụ triangular hexagonal crystals nwèrè ihu atọ dị mkpụmkpụ karịa ndị ọzọ na-enye ohere ka oghere Kern mee.
Foto mbụ nke oghere Kern bụ nke Marko Mikkilä sere na nso Vuokatti Ski Resort, Sotkamo, Finland n'ubochi irí na asaa n'ọnwa Nọvemba 2007.[3] Foto ndị ahụ dị n'ìhè anyanwụ sitere n'ikuku mmiri nke ice crystals nke snowguns mepụtara.[2] Na Vuokatti Ski Resort ihe dị ka otu narị snowguns nwere ike ịrụ ọrụ n'otu ógè. Okpomọkụ bụ -15 ruo -18 °C na mbara igwe doro ányá na ọ fọrọ nke nta ka ọ bụrụ na ikuku adịghị. A na-eji igwefoto Nikon D70 na Nikon FM na Sigma 8mm EX F4, Sigma 15mm EX F2.8 anya. A chịkọtakwara ụfọdụ ihe nlele nke ice crystals, na-akwado ihe fọrọ nke nta ka ọ bụrụ ntọala triangular ha.
E bipụtara foto Mikkilä na mbụ na Tähdet ja avaruus-magazine 1/2008. Ọ bụ URSA, òtù Finnish nkè nkà mmụta mbárá igwe, bipụtara magazin ahụ.
Hụkwa
[dezie | dezie ebe o si]- Halo (ihe ọhụụ)
- Okpokoro gburugburu
Edensibia
[dezie | dezie ebe o si]- ↑ S. W. Visser: Optische verschijnselen aan de hemel, bladzijde 58, § 44: De gespiegelde circumzenitale boog. Boog van Kern
- ↑ 2.0 2.1 Mikkilä (2008-01-27). Kern arc photographed in Finland. ursa.fi. URSA. Archived from the original on 2008-02-07. Retrieved on 2008-01-30. (Mikkilä's description of the observation.) Kpọpụta njehie: Invalid
<ref>tag; name "Mikkilä" defined multiple times with different content - ↑ Cowley. Kern Arc. Atmospheric Optics. Retrieved on 2008-01-27.