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Astronomers Just Captured A Distant Galaxy Dying For The First Time

It has recently come to light that astronomers have observed a rare phenomenon in space - the death of a distant galaxy. ....

France General , United Kingdom , Annagrazia Puglisi , Emanuele Daddi , Saclay Nuclear Research Centre Cea , Durham University , Nature Astronomy , European Southern Observatory , Atacama Large , Saclay Nuclear Research Centre , பிரான்ஸ் ஜநரல் , ஒன்றுபட்டது கிஂக்டம் , டர்ஹாம் பல்கலைக்கழகம் , இயற்கை வானியல் , ஐரோப்பிய தெற்கு கண்காணிப்பு ,

For the first time ever, astronomers are witnessing a galaxy's 'death' as its happening

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Bengaluru: Astronomers have observed many ‘dead’ galaxies but the process of the death itself hasn’t been observed before until now.
Using the telescope Atacama Large Millimeter/submillimeter Array (ALMA), astronomers observed a galaxy, nine billion light years away from the Earth, ejecting nearly half of its star-forming gas and losing fuel.
Galaxies begin to ‘die’ when star formation stops inside them or they start losing material that forms stars.
The ID2299 galaxy is currently ejecting material worth about 10,000 suns every year in the form of cold gas ejection. It is estimated that the galaxy is currently removing 46 per cent of the total cold gas it contains. ....

France General , United Kingdom , Annagrazia Puglisi , Emanuele Daddi , Saclay Nuclear Research Centre Cea , United Kingdom Durham University , Atacama Large , Durham University , Saclay Nuclear Research Centre , Nature Astronomy , பிரான்ஸ் ஜநரல் , ஒன்றுபட்டது கிஂக்டம் , ஒன்றுபட்டது கிஂக்டம் டர்ஹாம் பல்கலைக்கழகம் , டர்ஹாம் பல்கலைக்கழகம் , இயற்கை வானியல் ,

This galaxy is dying out as it loses the ability to form stars

This galaxy is dying out as it loses the ability to form stars
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France General , Milky Way , Magallanesy Antaica Chilena , United Kingdom , Annagrazia Puglisi , Emanuele Daddi , Chiara Circosta , University College London , Saclay Nuclear Research Centre Cea , Durham University , Atacama Large , European Southern Observatory , Saclay Nuclear Research Centre , Nature Astronomy , Large Telescope , பிரான்ஸ் ஜநரல் , பால் வழி , ஒன்றுபட்டது கிஂக்டம் , சியாரா சர்கோஸ்டா , பல்கலைக்கழகம் கல்லூரி லண்டன் , டர்ஹாம் பல்கலைக்கழகம் , ஐரோப்பிய தெற்கு கண்காணிப்பு , இயற்கை வானியல் , பெரியது தொலைநோக்கி ,

Cosmic collision spells beginning of the end

Cosmic collision spells beginning of the end
Astronomers witness possible new mechanism for galaxies to die.
An artist’s impression of ID2299 shows the galaxy, the product of a galactic collision, and some of its gas being ejected by a “tidal tail” as a result of the merger. Credit: ESO/M. Kornmesser
Astronomers may have just witnessed a new way for galaxies to “die”, using the super-sensitive Atacama Large Millimeter/submillimeter Array (ALMA) in Chile.
The array of 66 radio telescopes, sprawled across the Atacama Desert about 1400 km north of Chile’s capital Santiago, watched as a galaxy nine billion light-years away ejected nearly half of its star-forming gas into space. ....

France General , Milky Way , Magallanesy Antaica Chilena , United Kingdom , Annagrazia Puglisi , Emanuele Daddi , Saclay Nuclear Research Centre Cea , Durham University , Atacama Large , Atacama Desert , Saclay Nuclear Research Centre , Chajnantor Plateau , Small Magellanic Clouds , பிரான்ஸ் ஜநரல் , பால் வழி , ஒன்றுபட்டது கிஂக்டம் , டர்ஹாம் பல்கலைக்கழகம் ,

ALMA captures distant colliding galaxy dying out as it loses the ability to form stars

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IMAGE: This artist s impression of ID2299 shows the galaxy, the product of a galactic collision, and some of its gas being ejected by a tidal tail as a result of the.
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Credit: ESO/M. Kornmesser
Galaxies begin to die when they stop forming stars, but until now astronomers had never clearly glimpsed the start of this process in a far-away galaxy. Using the Atacama Large Millimeter/submillimeter Array (ALMA), in which the European Southern Observatory (ESO) is a partner, astronomers have seen a galaxy ejecting nearly half of its star-forming gas. This ejection is happening at a startling rate, equivalent to 10 000 Suns-worth of gas a year the galaxy is rapidly losing its fuel to make new stars. The team believes that this spectacular event was triggered by a collision with another galaxy, which could lead astronomers to rethink how galaxies stop bringing new stars to life. ....

France General , United States , United Kingdom , Czech Republic , Cerro Armazones , South Korea , University College , New South Wales , La Silla , City Of , Milky Way , Magallanesy Antaica Chilena , Republic Of Chile , G Rodighiero Padova , Annagrazia Puglisi , C Mancini Padova , Emanuele Daddi , Fisicae Astronomia , S Jin Instituto , M Perna Centro , Chiara Circosta , Saclay Nuclear Research Centre Cea , University College London , University Of Copenhagen , C Circosta Department Of Physics Astronomy , A Puglisi Centre For Extragalactic Astronomy ,