Flamingos
紅鶴 (7/8/2003)
智利的亞他加馬，是全世界最乾旱的地方，那裏從來都不下雨，比沙漠還要乾旱。在它的安地斯山脈上，會因為溶雪等原因而形成湖泊，這樣便吸引了大量的紅鶴在這裏棲息。
Caption::
Water from springs, snowmelt, and scant summer rain creates high-altitude
lakes, luring migratory flamingos to roost. On frigid nights ice forms
like lace around their legs, the morning sun sets them free.
Credit::
Joel
Sartore
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Aurora
II 極光 II (6/8/2003)
終於再放極光相上來了，今次這張是在加拿大影的，留意一下不難會察覺到極光相只能在極南和極北的地方影到(原因？很容易吧，因為極光只會在那裏出現)。如果你看機會看到極光(我都好想看)，望著它一段時間，你會見到它不斷地改變它的形狀，而且，極光永遠會有不同的形狀，例如這個便是窗簾一類的極光。
Caption::
Will it be curtains for one of these auroras? A quick inspection indicates
that it is curtains for both, as the designation "curtains"
well categorizes the type of aurora pattern pictured. Another (informal)
type is the corona. The above auroras resulted from outbursts of ionic
particles from the Sun during the last week of September 2001. A polarity
change in the solar magnetic field at the Earth then triggered auroras
over the next few days. The above picture was taken on October 3, 2001
as fleeting space radiation pelted the Earth's atmosphere high above the
Yukon in Canada.
Credit::
Phil
Hoffman
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Cone
Nebula 椎狀星雲 (5/8/2003)
可能大家已經看過很多星雲的相了，今次就跟大家談一談星雲的形狀。原來星雲的形狀也跟星雲本身有很大關係，星雲本身就是一團星際間的氣體和塵埃，時間久了，當中的氣體和塵埃就會慢慢積聚成為恆星，但到恆星形成後，它們會放出輻射將周圍的星雲蒸發掉，從而形成不同的形狀。今次相中的是椎狀星雲，又稱NGC
2264，它也是因為恆星的形成而弄成現在這個樣子。
Caption::
Cones, pillars, and majestic flowing shapes abound in stellar nurseries
where natal clouds of gas and dust are buffeted by energetic winds from
newborn stars. A well-known example, the Cone Nebula within the bright
galactic star-forming region NGC 2264, was captured in this close-up view
from the Hubble Space Telescope's newest camera. While the Cone Nebula,
about 2,500 light-years away in Monoceros, is around 7 light-years long,
the region pictured here surrounding the cone's blunted head is a mere
2.5 light-years across. In our neck of the galaxy that distance is just
over half way from the Sun to its nearest stellar neighbor, Alpha Centauri.
The massive star NGC 2264 IRS, seen by Hubble's infrared camera in 1997,
is the likely source of the wind sculpting the Cone Nebula and lies off
the top of the image. The Cone Nebula's reddish veil is produced by glowing
hydrogen gas.
Credit::
NASA,
H. Ford (JHU), G. Illingworth (UCSC/LO), M.Clampin (STScI), G. Hartig
(STScI), the ACS Science Team, and ESA
|
Gold
Saints II 黃金聖鬥士 II (4/8/2003)
又是一張黃金聖鬥士的相片，或許因為我太喜愛它們吧，這張相中齊了十二位黃金聖鬥士，連人馬座的艾洛斯也出場，當真難得。
Caption::
This is another image of Gold Saints in Saint Seiya, this imge include
all 12 gold saints, including Sagittarius Aiolos.
Credit::
Kurumada Masami, Shueisha and Toei Animation
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Virgo
Cluster 處女座星系團 (3/8/2003)
很多個星系走在一起，會形成星系團，我們自己身處的是本星系群，而處女座星系團離我們很近，有4500萬光年遠(在宇宙中，這一點也不算什麼)。你可以看到圖下的是橢圓星系，而圖頂看到的是螺旋星系，在同一個星系團中，原來也有不同類型的星系。
Caption::
Containing more than 2000 galaxies, the Virgo Cluster, approximately 45
million light years away, is the largest structure in the neighborhood
of our groups of galaxies. It harbors the three types of galaxies first
described by E. Hubble: ellipticals (e.g. Messier 86 & Messier 84
on the bottom, spirals (e.g. NGC 4388 & NGC 4413 on the top) and irregulars,
so called because they display no obvious organized structure or symmetry.
This image shows only a tiny fraction of the cluster, which covers an
area on the sky that is about 100 times greater than the surface of the
full moon!
Credit::
Jean-Charles Cuillandre (CFHT)
|
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