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发表于 2004-10-7 17:04
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Instrcutions 按顺序1 - 19
Eskimo Nebula (NGC 2392)
This stellar relic, first spied by William Herschel in 1787, got its nickname because, when viewed through ground-based telescopes, it resembles a face surrounded by a fur parka.
Bubble Nebula (NGC 7635)
An expanding shell of glowing gas surrounds a hot, massive star in our Milky Way. The shell is shaped by strong stellar from by a star that is 10 to 20 times more massive than our sun.
Galactic Nebula 3603
Various stages of the life cycle of stars are seen in a single view.
Gaseous Pillars, M16
The Eagle Nebula (M16) is a nearby star-forming region 7,000 light-years away. The pillar-like structures are columns of cool interstellar hydrogen gas and dust, pre-stages of new stars that protrude from the interior wall of a dark molecular cloud.
Fireworks
Located some 13 million light-years from Earth, galaxy NGC 4214 is currently forming clusters of new stars from its interstellar gas and dust.
Galaxy NGC 4314
Clusters of infant stars form a ring around the core of this stellar nursery, a barred-spiral galaxy.
Cat's Eye Nebula
Among the most complex planetary nebulae ever seen, NGC 6543 is nicknamed the "Cat's Eye Nebula".
Galactic Silhouettes
Through an extraordinary chance alignment, a face-on spiral galaxy lies precisely in front of another larger spiral. This line-up provides us with the rare chance to visualize dark material within the front galaxy, seen only because it is silhouetted against the object behind it.
A Grazing Encounter Between Two Spiral Galaxies
The larger and more massive galaxy is cataloged as NGC 2207, and the smaller one on the right is IC 2163. Strong tidal forces from NGC 2207 have distorted the shape of IC 2163, flinging out stars and gas into long streamers stretching out a hundred thousand light-years toward the right-hand edge of the image.
Butterfly Nebula
This is an image of the "butterfly wing"-shaped nebula, NGC 2346. The nebula is about 2,000 light-years away from Earth in the direction of the constellation Monoceros. It represents the spectacular "last gasp" of a binary star system at the nebula's center.
Magnificent Details in a Dusty Spiral Galaxy
In 1995, the majestic spiral galaxy NGC 4414 was imaged by the Hubble Space Telescope as part of the HST Key Project on the Extragalactic Distance Scale.
The Ring Nebula
The NASA Hubble Space Telescope has captured the sharpest view yet of the most famous of all planetary nebulae, the Ring Nebula (M57). In this October 1998 image, the telescope has looked down a barrel of gas cast off by a dying star thousands of years ago.
Space Phenomenon Imitates Art
This image resembling Vincent van Gogh's painting, "Starry Night," is Hubble's latest view of an expanding halo of light around a distant star, named V838 Monocerotis (V838 Mon).
The Lure of the Rings
Resembling a diamond-encrusted bracelet, a ring of brilliant blue star clusters wraps around the yellowish nucleus of what was once a normal spiral galaxy in this image from NASA's Hubble Space Telescope (HST).
M27, the Dumbbell Nebula
An aging star's last hurrah is creating a flurry of glowing knots of gas that appear to be streaking through space in this close-up image of the Dumbbell Nebula, taken with NASA's Hubble Space Telescope.
Black Eye Galaxy
Messier 64 (M64) has a spectacular dark band of absorbing dust in front of the galaxy's bright nucleus, giving rise to its nicknames of the "Black Eye" or "Evil Eye" galaxy.
Hubble Captures a Perfect Storm
Resembling the fury of a raging sea, this image actually shows a bubbly ocean of glowing hydrogen gas and small amounts of other elements such as oxygen and sulfur.
The Majestic Sombrero Galaxy
One of the largest Hubble mosaics ever assembled, this magnificent galaxy has a diameter of nearly one-fifth the diameter of the full moon.
Interacting Galaxies
NGC 6872, the larger galaxy here, has many bluish objects that are regions of heavy star formation. They may have been triggered by the recent passage of smaller galaxy, IC 4970, now just above the center. The bright object to the lower right is a foreground star in our own Milky Way.
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发表于 2004-10-7 16:51
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发表于 2004-10-13 16:52