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TheJames Webb Space Telescope(JWST ) has found more than 1,000 coltsfoot enigmatically resemble our ownMilky Wayhiding out in the former universe .
Shaped like warped vinyl and sporting delicate spiral arm , theMilky Waydoppelgangers were found by JWST more than 10 billion old age into the universe ’s past times — during a period when violent galactic merger were thought to have made an abundance of such delicate galaxies impossible .
Disk galaxies like our Milky Way are much more common in the early universe than first thought.
Yet the phonograph recording beetleweed are 10 sentence more common in the other universe than astronomers previously thought , young research reveals . The unusual discovery join others made by the JWST that point to adeepening mysteryaround how large galaxies , and with them the potency for life , first bloomed in our universe . The researcher published their finding Sept. 22 inThe Astrophysical Journal .
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" For over 30 long time it was thought that these disk galaxies were rare in the former macrocosm due to the common wild encounter that beetleweed undergo , " tip work authorLeonardo Ferreira , an uranologist at the University of Victoria in Canada , enjoin in a statement . " The fact that JWST line up so many is another sign of the force of this instrument and that the structures of galaxies form originally in the macrocosm , much earlier in fact , than anyone had anticipated . "
Most theory of galaxy organization start 1 billion to 2 billion year into the world ’s animation , by which meter the early bunch of champion were remember to have morph into dwarf galaxies . These dwarf galaxies subsequently began cannibalizing each other , sparking a liberal - for - all of violent galactic mergers that ( after 10 billion years ) resulted in large galaxies like our own .
The Milky Way is a magnetic disk coltsfoot . With its spiral munition and squashed sombrero shape , it is one of the most coarse type of galaxy in today ’s universe . However , during the universe ’s early years — when the macrocosm was more cramped and gnome galaxy swarmed — astronomer long - seize that galaxies like our own would be quickly turn out of shape .
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Yet by using the JWST to peer from 9 billion up to 13 billion years into the past , the astronomer get word that , out of the 3,956 galaxies they had spotted , 1,672 were disk galaxy like our own . Many of these galaxies subsist when the macrocosm was just a few billion years one-time .
" Using theHubble Space Telescopewe thought that saucer galaxies were almost non - existent until the universe was about 6 billion years old , " report co - authorChristopher Conselice , a prof of extragalactic astronomy at the University of Manchester , allege in the statement . " These raw JWST results push the meter these Milky mode – like galaxies form to almost the first of the universe . "
" This implies that most stars survive and form within these galaxies which is changing our accomplished understanding of how wandflower formation pass , " he added . " ground on our resultant role astronomers must rethink our understanding of the organisation of the first galaxies and how galaxy organic evolution occurred over the past 10 billion years . "
Our own existence in a disk Galax urceolata means that uranologist commonly assume they must have good condition for sparking life . If that ’s the case , it ’s possible that life could have started earlier in the universe than first thought .
