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HH 901 and HH 902 (Mystic Mountain)


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HH 901 and HH 902
Mystic Mountain (ミスティックマウンテン)
Carina Nebula (カリーナ星雲)
Emission Nebula (散光星雲)
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別名 (Other names)
Herbig-Haro 901, Herbig-Haro 902, HH-901, HH-902

距離 (Distance)
7,500光年 (7,500 light-years)

星座 (Constellation)
りゅうこつ座 (Car) (Carina)

HH 901 and HH 902 (Mystic Mountain) is an emission nebula located 7,500 light years from the Earth in the constellation Carina.

HH 901 and HH 902 (Mystic Mountain) : Picture

HH 901 and HH 902 (Mystic Mountain)
HH 901 and HH 902 (Mystic Mountain)
(C) NASA, ESA, M. Livio and the Hubble 20th Anniversary Team (STScI)
This craggy fantasy mountaintop enshrouded by wispy clouds looks like a bizarre landscape from Tolkien’s The Lord of the Rings. The NASA/ESA Hubble Space Telescope image, which is even more dramatic than fiction, captures the chaotic activity atop a pillar of gas and dust, three light-years tall, which is being eaten away by the brilliant light from nearby bright stars. The pillar is also being assaulted from within, as infant stars buried inside it fire off jets of gas that can be seen streaming from towering peaks.

This turbulent cosmic pinnacle lies within a tempestuous stellar nursery called the Carina Nebula, located 7,500 light-years away in the southern constellation of Carina. The image celebrates the 20th anniversary of Hubble's launch and deployment into an orbit around the Earth.

Scorching radiation and fast winds (streams of charged particles) from super-hot newborn stars in the nebula are shaping and compressing the pillar, causing new stars to form within it. Streamers of hot ionised gas can be seen flowing off the ridges of the structure, and wispy veils of gas and dust, illuminated by starlight, float around its towering peaks. The denser parts of the pillar are resisting being eroded by radiation.

Nestled inside this dense mountain are fledgling stars. Long streamers of gas can be seen shooting in opposite directions from the pedestal at the top of the image. Another pair of jets is visible at another peak near the centre of the image. These jets, (known as HH 901 and HH 902, respectively, are signposts for new star birth and are launched by swirling gas and dust discs around the young stars, which allow material to slowly accrete onto the stellar surfaces.

Hubble’s Wide Field Camera 3 observed the pillar on 1-2 February 2010. The colours in this composite image correspond to the glow of oxygen (blue), hydrogen and nitrogen (green), and sulphur (red).

Mystic Mountain
Wide view of (Mystic Mountain)
(C) NASA, ESA and M. Livio and the Hubble 20th Anniversary Team (STScI)

Mystic Mountain
Comparison views of (Mystic Mountain)
(C) NASA, ESA, M. Livio and the Hubble 20th Anniversary Team (STScI)

HH 901/902 Details
HH 901/902 Details
(C) NASA, ESA, and M. Livio and the Hubble 20th Anniversary Team (STScI)
This is a series of close-up views of the complex gas structures in a small portion of the Carina Nebula. The nebula is a cold cloud of predominantly hydrogen gas. It is laced with dust, which makes the cloud opaque. The cloud is being eroded by a gusher of ultraviolet light from young stars in the region. They sculpt a variety of fantasy shapes, many forming tadpole-like structures. In some frames, smaller pieces of nebulosity can be seen freely drifting, such as the 2.3-trillion-mile-long structure at upper right. The most striking feature is a 3.5- trillion-mile-long horizontal jet in the upper left frame. It is being blasted into space by a young star hidden in the tip of the pillar-like structure. A bowshock has formed near the tip of the jet.

Carina Nebula
Carina Nebula Panorama from Hubble
(C) NASA, ESA, N. Smith (U. California, Berkeley) et al., and The Hubble Heritage Team (STScI/AURA)
In one of the brightest parts of Milky Way lies a nebula where some of the oddest things occur. NGC 3372, known as the Great Nebula in Carina, is home to massive stars and changing nebulas. Eta Carinae, the most energetic star in the nebula, was one of the brightest stars in the sky in the 1830s, but then faded dramatically. The Keyhole Nebula, visible left of center, houses several of the most massive stars known and has also changed its appearance. The entire Carina Nebula spans over 300 light years and lies about 7,500 light-years away in the constellation of Carina. Pictured above is the most detailed image of the Carina Nebula ever taken. The controlled color image is a composite of 48 high-resolution frames taken by the Hubble Space Telescope two years ago. Wide-field annotated and zoomable image versions are also available.

Mystic Mountain Mystic Mountain
Mystic Mountain
(C) NASA/ESA
Wide view of (Mystic Mountain)
(C) NASA/ESA
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HH 901 and HH 902 (Mystic Mountain) : Movie

Mystic Mountain: Bright Pillar in the Carina Nebula
The Carina Nebula is a vast, star-forming region in our Milky Way Galaxy. Within the nebula, new stars form out of dense, dark clouds of gas and dust. The bright, high-energy radiation from massive young stars erodes away the dark gas. Tall pillars, such as the ones featured in this sequence, form when dense pockets of gas resist that erosion. The illuminating stars for these pillars are located well off the top of the image. At the peaks of two pillars, jets of emission serve as the birth announcements of new stars buried within the clouds. The image is nicknamed "Mystic Mountain" and was released in celebration of the 20th anniversary of the launch of the Hubble Space Telescope.

Like most astronomical objects, the Carina Nebula is too far away for the Hubble Space Telescope to see in a three-dimensional perspective. This scientific visualization separates the stars and layers of the nebula to create depth from the 2D image. A virtual camera flies into the resulting 3D model, which is informed by astronomical knowledge but is not scientifically accurate. Distances, in particular, have been greatly compressed.

Hubble 20th: Carina Nebula

Hubble: 20 Years of Discovery
Hubble's discoveries have revolutionized nearly all areas of current astronomical research from planetary science to cosmology. Actor and writer Brent Spiner narrates a visual journey back in time and into the farthest reaches of the cosmos.
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