Ịgbagharị


obere ụdị nke	atmospheric optical phenomenon

Ntu ụzọ nke ụzọ kacha ụzọ ndị ahụ na mbara igwe Sirius ( oke -1.1), obere oge tupu njedebe elu na meridian, na 20 ° n'elu mbara igwe ndịda. N'ime menu 29, Sirius na-egosi na ọ na- mada 7.5 arcminutes site n'aka ekpe gaa n'aka nri.

Twinkling, nke a na-akpọkwa scintillation, bụ okwu ọnụ maka ịdị na nchapụta oyiyi, agba ma ọ bụ ọnọdụ nke ihe na-Maka pre nke a na-ele anya site na ọkara. [1] Ọ bụrụ na ihe ahụ dị n' ala ikuku ụwa, dị ka ọ dị na ike na mbara ala, a na-akpọ ihe a na-akpọ scintillation nke mbara igwe; maka ihe dị n'ime ikuku, a na-akpọ ihe a na-akpọ scintillation terrestrial . [2] Dị ka otu n'ime isi ihe atọ na-ahụ mbara igwe (ndị ọzọ bụ mmetọ ọkụ na ọkụ na ọkụ ígwé ojii), scintillation nke ikuku na-achọpụta dị ka ịdị na-ewepụ ikike.

. ^[1] ^[2]N'okwu dị mfe, ịhịa aka n'ahụ nke akwụkwọ na-akpata site na ngafe nke ìhè si n'ígwé dị iche iche nke ikuku na-agbaሕ . Ọtụtụ ugboro scintillation na-ebute site na ntu nke ikuku na-ahụ ahụkebe nke obere ngbanwe dị na n' ikuku na- nhọrọ gradients. [1] [2] na-egosi scintillation na- mbara ike nke ọma n'ụdị igwe uzo nso zenith (nke dị n'elu), [3] ebe ọ bụ na ụzarị ọkụ dị nso na mbara ihu ga-abanye n'ụdị oyi. akwa ma nwee ogologo ụzọ site na ikuku tupu erute onye na-ekiri ya. A na-eji scintillometer ngwaọrụ ntugharị ikuku n'ụba. [4] Ebe nchekwa nke ịchafụ site na iji oghere buru ibu; ụgbọ a mara dị ka aperture nkezi

. ^[3] ^[4]Ọ bụ ebe na ìhè sitere na ozi na ihe ndị ọzọ na-egosi mbara igwe nwere ike ịnwụ, [1] ịchafụ eme ka ihe oyiyi nke mbara ala na-ama nke ọma. [2] [3] Kpakpando na-amagharị n'ihi na ha dị anya site n'ụwa nke na ha na-dị ka isi iyi nke ìhè na-enwe nsogbu n'ụzọ dị mfe site na ọgba aghara ikuku nke ụwa, nke na-eme dị ka anya anya na prisms na- መሪ ụzọ ahụ. Nnukwu ihe ndị na-egosi mbara igwe dị nso na ụwa, dị ka ụnwa na mbara ala ndị ọzọ, ọtụtụ isi ihe na mbara igwe ma nwee ike idozi dị ka ihe nwere dayameta a na-ahụ anya. N'ọtụtụ ebe a pụtara n'ìhè na-agafe ikuku, ngbanwe nke ìhè ha na-apụ apụ ma onye na-ekiri ya na ihe obere obere ihe na ìhè na-site na ha.

Hụkwa

Ngwa ngwa ngwa
Interplanetary scintillation
Astronomy na-ahụ anya
Ịgbara emo, Twinkle, Obere Kpakpando

Ntụaka

↑ Perlot, N.; Fritzsche, D. "Aperture-Averaging – Theory and Measurements", elib – Electronic Library.
↑ Andrews (2000). "Aperture averaging of optical scintillations". Waves in Random Media 10 (1): 53–70. DOI:10.1088/0959-7174/10/1/305.
↑ Graham, John A. "Why do stars twinkle?" Scientific American, October 2005.
↑ Byrd, Deborah; "Why don’t planets twinkle as stars do?", Earthsky, October 24, 2005.

[1] Perlot, N.; Fritzsche, D. "Aperture-Averaging – Theory and Measurements", elib – Electronic Library.

[2] Andrews (2000). "Aperture averaging of optical scintillations". Waves in Random Media 10 (1): 53–70. DOI:10.1088/0959-7174/10/1/305.

[3] Graham, John A. "Why do stars twinkle?" Scientific American, October 2005.

[4] Byrd, Deborah; "Why don’t planets twinkle as stars do?", Earthsky, October 24, 2005.

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