Avtory i prava: Alessandro Markini
(Astronomicheskaya observatoriya,
Fakul'tet fiziki Zemli i kosmosa Universiteta Sieny),
Licei "Alessandro Vol'ta", studenty-astronomy
Licei "Alessandro Vol'ta", studenty-astronomy
Perevod: D.Yu.Cvetkov
Poyasnenie:
Zamechatel'nuyu bukvu "X" okolo centra etogo lunnogo peizazha
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) 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 v 16:45 Vsemirnogo vremeni
6 dekabrya 2016 goda.
Vnimatel'no rassmotrite lunnyi terminator, i vy smozhete naiti takzhe
lunnuyu bukvu V.
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NASA Web Site Statements, Warnings, and Disclaimers
NASA Official: Jay Norris. Specific rights apply.
A service of: LHEA at NASA / GSFC
& Michigan Tech. U.
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Publikacii s klyuchevymi slovami:
Moon - Luna - Terminator
Publikacii so slovami: Moon - Luna - Terminator | |
Sm. takzhe:
Vse publikacii na tu zhe temu >> | |
