The most distant andearliest known galaxyis called JADES - GS - z14 - 0 and its luminance comes from when the world was less than 300 million twelvemonth quondam . The object itself is much pocket-size than our galaxy but it is a fireball of wiz geological formation , and now two different teams of scientist have detected oxygen in it , the furthermost detection of this atom yet .
Finding oxygen is a big hand . Only H and helium ( with a sparge of lithium ) formed in the Big Bang . All the other heavier elements spring thanks to stars . Oxygen is formed when evolved adept fuse helium and not just hydrogen . The bearing of O indicate that this very early galaxy was a lot more evolved than previously thought .
“ It is like finding an teen where you would only wait babies , ” first author of the first paper , Sander Schouws , a PhD prospect at Leiden Observatory , explained in astatement . “ The results show the beetleweed has form very speedily and is also maturing apace , sum up to a grow eubstance of evidence that the formation of galaxies take place much faster than was expected . "
The galaxy was onlydiscovered by JWST last yearbut it was follow up with the Atacama Large Millimeter Array ( ALMA ) that plant how chemically matured this galax actually is . It turn out , JADES - GS - z14 - 0 has 10 times more heavy factor than expected .
“ I was astonish by the unexpected results because they opened a new eyeshot on the first phases of galaxy evolution , ” explained Stefano Carniani of the Scuola Normale Superiore of Pisa , Pb writer of the second paper . “ The evidence that a galax is already mature in the baby Universe grow interrogation about when and how galaxies formed . ”
The data point from ALMA also helped elaborate the age of this galax : 294 million old age after the Big Bang . JADES - GS - z14 - 0 is undimmed , so it ’s expected that even the most distant observations might be potential in the coming class .
Gergö Popping , an ESO astronomer at the European ALMA Regional Centre who did not take part in the study , added : " I was really surprised by this clear spotting of atomic number 8 in JADES - GS - z14 - 0 . It hint Galax urceolata can form more chop-chop after the Big Bang than had previously been thought . This result showcases the important character ALMA plays in unravel the conditions under which the first galaxies in our Universe form . "
The studies are published inThe Astrophysics JournalandAstronomy & Astrophysics .