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Trifid Nebula: A Massive Star Factory
ScienceDaily (Aug. 26, 2009) — A new image of the Trifid Nebula, shows just why it is a firm favorite of astronomers, amateur and professional alike. This massive star factory is so named for the dark dust bands that trisect its glowing heart, and is a rare combination of three nebula types, revealing the fury of freshly formed stars and presaging more star birth.
See also:
Space & Time
* Nebulae
* Stars
* Astronomy
* Astrophysics
* Black Holes
* Extrasolar Planets
Reference
* Orion Nebula
* Star cluster
* Stellar evolution
* Planetary nebula
Smouldering several thousand light-years away in the constellation of Sagittarius (the Archer), the Trifid Nebula presents a compelling portrait of the early stages of a star’s life, from gestation to first light. The heat and “winds” of newly ignited, volatile stars stir the Trifid’s gas and dust-filled cauldron; in time, the dark tendrils of matter strewn throughout the area will themselves collapse and form new stars.
The French astronomer Charles Messier first observed the Trifid Nebula in June 1764, recording the hazy, glowing object as entry number 20 in his renowned catalogue. Observations made about 60 years later by John Herschel of the dust lanes that appear to divide the cosmic cloud into three lobes inspired the English astronomer to coin the name “Trifid”.
Made with the Wide-Field Imager camera attached to the MPG/ESO 2.2-metre telescope at ESO’s La Silla Observatory in northern Chile, this new image prominently displays the different regions of the Trifid Nebula as seen in visible light. In the bluish patch to the upper left, called a reflection nebula, gas scatters the light from nearby, Trifid-born stars. The largest of these stars shines most brightly in the hot, blue portion of the visible spectrum. This, along with the fact that dust grains and molecules scatter blue light more efficiently than red light — a property that explains why we have blue skies and red sunsets — imbues this portion of the Trifid Nebula with an azure hue.
Below, in the round, pink-reddish area typical of an emission nebula, the gas at the Trifid’s core is heated by hundreds of scorching young stars until it emits the red signature light of hydrogen, the major component of the gas, just as hot neon gas glows red-orange in illuminated signs all over the world.
The gases and dust that crisscross the Trifid Nebula make up the third kind of nebula in this cosmic cloud, known as dark nebulae, courtesy of their light-obscuring effects. Within these dark lanes, the remnants of previous star birth episodes continue to coalesce under gravity’s inexorable attraction. The rising density, pressure and temperature inside these gaseous blobs will eventually trigger nuclear fusion, and yet more stars will form.
In the lower part of this emission nebula, a finger of gas pokes out from the cloud, pointing directly at the central star powering the Trifid. This is an example of an evaporating gaseous globule, or "EGG", also seen in the Eagle Nebula, another star-forming region. At the tip of the finger, which was photographed by Hubble a knot of dense gas has resisted the onslaught of radiation from the massive star.
Adapted from materials provided by European Southern Observatory - ESO.
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European Southern Observatory - ESO (2009, August 26). Trifid Nebula: A Massive Star Factory. ScienceDaily. Retrieved August 27, 2009, from http://www.sciencedaily.com /releases/2009/08/090826073442.htm
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The massive star factory known as the Trifid Nebula was captured in all its glory with the Wide-Field Imager camera attached to the MPG/ESO 2.2-metre telescope at ESO's La Silla Observatory in northern Chile. So named for the dark dust bands that trisect its glowing heart, the Trifid Nebula is a rare combination of three nebulae types that reveal the fury of freshly formed stars and point to more star birth in the future. The field of view of the image is approximately 13 x 17 arcminutes. (Credit: ESO)
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Related Stories
Spitzer Finds Stellar "Incubators" With Massive Star Embryos (Jan. 17, 2005) — NASA's Spitzer Space Telescope has uncovered a hatchery for massive stars. A new striking image from the infrared telescope shows a vibrant cloud called the Trifid Nebula dotted with glowing ... > read more
New Portrait Of Omega Nebula's Glistening Watercolors (July 8, 2009) — The Omega Nebula, a stellar nursery where infant stars illuminate and sculpt a vast pastel fantasy of dust and gas, is revealed in all its ... > read more
Carina Nebula: Astronomers Capture Intricate Structures Of One Of Brightest Nebulae In Sky (Feb. 17, 2009) — Astronomers have captured amazing detail in the intricate structures of one of the largest and brightest nebulae in the sky, the Carina Nebula (NGC 3372), where strong winds and powerful radiation ... > read more
Colorful Star Birth Region Near Tarantula Nebula Unveiled On Hubble's 100,000th Orbit Milestone (Aug. 11, 2008) — During Hubble's 100,000th orbit around the Earth, it peered into a small portion of the nebula near the star cluster NGC 2074. The region is a firestorm of raw stellar creation, perhaps triggered by ... > read more
Double Engine Fuels Star's Remarkable Nebula (Aug. 5, 2009) — ESO has just released a stunning new image of a field of stars towards the constellation of Carina (the Keel). This striking view is ablaze with a flurry of stars of all colors and brightnesses, some ... > read more
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Trifid Nebula: A Massive Star Factory
ScienceDaily (Aug. 26, 2009) — A new image of the Trifid Nebula, shows just why it is a firm favorite of astronomers, amateur and professional alike. This massive star factory is so named for the dark dust bands that trisect its glowing heart, and is a rare combination of three nebula types, revealing the fury of freshly formed stars and presaging more star birth.
See also:
Space & Time
* Nebulae
* Stars
* Astronomy
* Astrophysics
* Black Holes
* Extrasolar Planets
Reference
* Orion Nebula
* Star cluster
* Stellar evolution
* Planetary nebula
Smouldering several thousand light-years away in the constellation of Sagittarius (the Archer), the Trifid Nebula presents a compelling portrait of the early stages of a star’s life, from gestation to first light. The heat and “winds” of newly ignited, volatile stars stir the Trifid’s gas and dust-filled cauldron; in time, the dark tendrils of matter strewn throughout the area will themselves collapse and form new stars.
The French astronomer Charles Messier first observed the Trifid Nebula in June 1764, recording the hazy, glowing object as entry number 20 in his renowned catalogue. Observations made about 60 years later by John Herschel of the dust lanes that appear to divide the cosmic cloud into three lobes inspired the English astronomer to coin the name “Trifid”.
Made with the Wide-Field Imager camera attached to the MPG/ESO 2.2-metre telescope at ESO’s La Silla Observatory in northern Chile, this new image prominently displays the different regions of the Trifid Nebula as seen in visible light. In the bluish patch to the upper left, called a reflection nebula, gas scatters the light from nearby, Trifid-born stars. The largest of these stars shines most brightly in the hot, blue portion of the visible spectrum. This, along with the fact that dust grains and molecules scatter blue light more efficiently than red light — a property that explains why we have blue skies and red sunsets — imbues this portion of the Trifid Nebula with an azure hue.
Below, in the round, pink-reddish area typical of an emission nebula, the gas at the Trifid’s core is heated by hundreds of scorching young stars until it emits the red signature light of hydrogen, the major component of the gas, just as hot neon gas glows red-orange in illuminated signs all over the world.
The gases and dust that crisscross the Trifid Nebula make up the third kind of nebula in this cosmic cloud, known as dark nebulae, courtesy of their light-obscuring effects. Within these dark lanes, the remnants of previous star birth episodes continue to coalesce under gravity’s inexorable attraction. The rising density, pressure and temperature inside these gaseous blobs will eventually trigger nuclear fusion, and yet more stars will form.
In the lower part of this emission nebula, a finger of gas pokes out from the cloud, pointing directly at the central star powering the Trifid. This is an example of an evaporating gaseous globule, or "EGG", also seen in the Eagle Nebula, another star-forming region. At the tip of the finger, which was photographed by Hubble a knot of dense gas has resisted the onslaught of radiation from the massive star.
Adapted from materials provided by European Southern Observatory - ESO.
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European Southern Observatory - ESO (2009, August 26). Trifid Nebula: A Massive Star Factory. ScienceDaily. Retrieved August 27, 2009, from http://www.sciencedaily.com /releases/2009/08/090826073442.htm
enlarge
The massive star factory known as the Trifid Nebula was captured in all its glory with the Wide-Field Imager camera attached to the MPG/ESO 2.2-metre telescope at ESO's La Silla Observatory in northern Chile. So named for the dark dust bands that trisect its glowing heart, the Trifid Nebula is a rare combination of three nebulae types that reveal the fury of freshly formed stars and point to more star birth in the future. The field of view of the image is approximately 13 x 17 arcminutes. (Credit: ESO)
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Related Stories
Spitzer Finds Stellar "Incubators" With Massive Star Embryos (Jan. 17, 2005) — NASA's Spitzer Space Telescope has uncovered a hatchery for massive stars. A new striking image from the infrared telescope shows a vibrant cloud called the Trifid Nebula dotted with glowing ... > read more
New Portrait Of Omega Nebula's Glistening Watercolors (July 8, 2009) — The Omega Nebula, a stellar nursery where infant stars illuminate and sculpt a vast pastel fantasy of dust and gas, is revealed in all its ... > read more
Carina Nebula: Astronomers Capture Intricate Structures Of One Of Brightest Nebulae In Sky (Feb. 17, 2009) — Astronomers have captured amazing detail in the intricate structures of one of the largest and brightest nebulae in the sky, the Carina Nebula (NGC 3372), where strong winds and powerful radiation ... > read more
Colorful Star Birth Region Near Tarantula Nebula Unveiled On Hubble's 100,000th Orbit Milestone (Aug. 11, 2008) — During Hubble's 100,000th orbit around the Earth, it peered into a small portion of the nebula near the star cluster NGC 2074. The region is a firestorm of raw stellar creation, perhaps triggered by ... > read more
Double Engine Fuels Star's Remarkable Nebula (Aug. 5, 2009) — ESO has just released a stunning new image of a field of stars towards the constellation of Carina (the Keel). This striking view is ablaze with a flurry of stars of all colors and brightnesses, some ... > read more
Search ScienceDaily
Number of stories in archives: 44,032
Find with keyword(s):
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Just In:
Dune Formation On Saturn's Largest Moon
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Extrasolar Hot Jupiter 'Shouldn’t Exist'
Mysterious Glaciers Grew When Asia Heated Up
Tiny Ancient Shells Point To Earliest Fashions
'Plasmobot': First Robot Designed Using Mould
'Plasmobot': First Robot Designed Using Mould
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Chasing A Star Named MIRA
Astronomers found a tail of carbon, oxygen, and other material trailing behind a dying star called Mira. People have watched the star break down for. ... > full story
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* Astrophysicists Discover New Details of How Stars Collapse
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* more science news
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* In Chicago, swine flu hit children hardest
* Democrats try to keep health edge post-Kennedy
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* Iran MP says rape of some vote detainees proven
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