Poyasnenie: Zamechatel'nuyu bukvu "X" na etom lunnom peizazhe legko rassmotret' v binokl' ili nebol'shoi teleskop. Odnako nemnogim udalos' ee uvidet'. Delo v tom, chto lunnyi X mozhno nablyudat' tol'ko v korotkii period okolo chetyreh chasov pered tem, kak Luna dostignet fazy pervoi chetverti. Na terminatore, ili linii, razdelyayushei osveshennoe i neosveshennoe Solncem polushariya Luny, vzaimnoe raspolozhenie kraterov Blankin, Lakail' i Purbah (Blanchinus, La Caille, Purbach), kotorye vidny sleva, sozdaet illyuziyu, pohozhuyu na bukvu X. Astronavt, stoyashii na poverhnosti Luny v faze pervoi chetverti okolo etih kraterov, uvidel by medlenno podnimayusheesya nad gorizontom Solnce. Na nekotoroe vremya valy kraterov byli by osvesheny Solncem, a ih dno ostavalos' by v temnote. Esli smotret' s planety Zemlya, to uchastki yarkih valov na fone temnogo dna sluchaino vyglyadyat udivitel'no pohozhimi na bukvu X. Eto chetkoe izobrazhenie lunnogo X bylo polucheno 22 fevralya. Vnimatel'no rassmotrite lunnyi terminator, i vy smozhete naiti takzhe lunnuyu bukvu V.

<<  Mart  >> Pn Vt Sr Cht Pt Sb Vs       1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31   1995   1996   1997 1998   1999   2000 2001   2002   2003 2004   2005   2006 2007   2008   2009 2010   2011   2012 2013   2014   2015 2016   2017   2018 2019   2020   2021 2022   2023   2024

Yanvar' Fevral' Mart Aprel' Mai Iyun' Iyul' Avgust Sentyabr' Oktyabr' Noyabr' Dekabr'

Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (USRA)
NASA Web Site Statements, Warnings, and Disclaimers
NASA Official: Jay Norris. Specific rights apply.
A service of: LHEA at NASA / GSFC
& Michigan Tech. U.

Publikacii s klyuchevymi slovami: Moon - Luna - Terminator Publikacii so slovami: Moon - Luna - Terminator
Sm. takzhe: Lunnoe π i ten' gory "Odissei" na Lune "Odissei" i radioteleskop Na Lunu Ten' sleda rakety napravlena k Lune Apollon-14: vid s modulya Antares Kosmicheskii apparat SLIM prilunilsya Vse publikacii na tu zhe temu >>