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Vesolje.net - Astronomska slika dneva
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Astronomska
slika dneva |
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August Moons
Credit & Copyright:
Dennis Mammana (left),
Laurent Laveder,
TWAN
This August was
eclipse season.
The month's first New Moon and Full Moon were both seen in
darkened skies during a
solar and lunar eclipse.
Blocking the Sun, the left panel's New
Moon was captured
during the total solar eclipse of August 1 from the path of
totality overlooking Novosibirsk (Siberia) Reservoir,
locally known as the Ob Sea.
A lovely
solar corona
and bright inner planets Mercury and Venus emerged
during the total eclipse phase, while the flickering view screens
of eclipse watchers' digital cameras dotted the landscape.
On the right, the Full Moon grazed
Earth's shadow nearly
15 days later in a
partial lunar eclipse.
That
serene
view was recorded during an early evening stroll along
the shores of the Odet River near the city of Quimper
in western France.
For planet Earth there are about two seasons each year during
which the orientation of the Moon's orbit is
favorable for solar and lunar eclipses.
The next eclipse season begins in January 2009 with an annular
solar eclipse.
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Izvirnik: Astronomy Picture of Day
NGC 6960: Meglica Čarovničina metla
Avtorske pravice & Copyright:
Adam Block,
Mount Lemmon
SkyCenter,
Univ. Arizona
Deset tisoč let nazaj, pred zoro prvih
zapisov človeške zgodovine,
se je na nočnem nebu morala nenadoma pojaviti nova svetloba, ki je izginila v nekaj tednih.
Danes vemo, da je bila ta svetloba
eksplozija zvezde, ki je
zapustila barvit razširjajoči oblak, danes poznan kot
meglica Tančica.
Na gornji sliki je zahodna stran
meglice Tančica, formalno katalogizirane
kot NGC 6960, bolj neformalno pa
imenovane tudi meglica
Čarovničina
metla.
Razširjajoči oblak razbitin eksplozije je dobil barvo z odnašanjem in
vzbujanjem obstoječega plina v okolici.
Ostanek supernove se nahaja
okoli 1400 svetlobnih let
od nas v smeri ozvezdja
Labod.
Ta Čarovničina metla pokriva na nebu področje, ki je več kot trikrat večje od
kotne velikosti polne
Lune.
Svetla zvezda 52
Laboda je iz temnih lokacij vidna s prostim
očesom, vendar ni povezana z davno
supernovo.
Slovenski prevod:
Fakulteta za matematiko in fiziko
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