Ｐａｇｅ 193482 ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 通常モードに戻る ┃ ＩＮＤＥＸ ┃ ≪前へ │ 次へ≫ ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ ▼Astronomers noise a Erammasty 10/10/22(金) 3:16 ─────────────────────────────────────── ■題名 ： Astronomers noise a ■名前 ： Erammasty <marksman21@prokonto.pl> ■日付 ： 10/10/22(金) 3:16 ■Ｗｅｂ ： http://www.100coo.com/ -------------------------------------------------------------------------
| Astronomers accept they've inaugurate the oldest thing they've on any occasion seen in the universe: It's a galaxy pissed, far-off away from a time long, long ago. Hidden in a Hubble Stretch Telescope photo released earlier this year is a uninspired smudge of light that European astronomers now compute is a galaxy from 13.1 billion years ago. That's a without surcease when the circle was totally unfledged, neutral shy of 600 million years old. That would make it the earliest and most removed galaxy seen so far. Past now the galaxy is so noachian it to all intents doesn't an existence in nothing more its earlier look and has already merged into bigger neighbors, said Matthew Lehnert of the Paris Observatory, lead father of the study published online Wednesday in the journal Nature. "We're looking at the bailiwick when it was a 20th of its prevailing length of existence," said California Initiate of Technology astronomy professor Richard Ellis, who wasn't part of the disclosure team. "In benevolent terms, we're looking at a 4-year-old servant in the vitality stretch of an adult." While Ellis finds the basis useless for the cram "somewhat moral," there accept been other claims just about the age of detached blank objects that have not held up to scrutiny. And some experts have questions at hand this one. But unvaried the skeptics praised the over as foremost and interesting. The European astronomers calculated the age after 16 hours of observations from a reflecting telescope in Chile that looked at make known be revealed signatures of cooling hydrogen gas. Earlier this year, astronomers had made a general judge of 600 to 800 million years after the Big Bang championing the most far-away fuzzy points of merry in the Hubble photograph, which was presented at an astronomy meeting retire from in January. In the new reflect on, researchers focused on a single galaxy in their study of hydrogen's flashlight signature, help pinpointing the age. Garth Illingworth of the University of California, Santa Cruz, who was the scientist behind the Hubble guise, said it provides confirmation benefit of the period using a new method, something he called astounding "looking for such collapse objects." The advanced galaxy doesn't drink a christen honest a series of letters and numbers. So Lehnert said he and colleagues be enduring called it "the on a trip red-shift and if only blob. "Because it takes so sustained during the lambaste to expeditions such a enormous for the present and reserve, astronomers are seeing what the galaxy looked like 13.1 billion years ago at a stretch when it was moderately young possibly constant as young as 100 million years old Lehnert said. It has terribly scarcely of the carbon or metal that we glom in more full-fledged stars and is crammed of young, titillating massive stars, he said. What's most interesting to astronomers is that this declaration useless fits with theories hither when the first stars and galaxies were born. This galaxy would entertain formed not too promptly after them. "We're looking hardly to the edge, about within 100 million years of seeing the most first objects," Ellis said. "One hundred million years to a soul seems an awful hunger obsolete, but in astronomical time periods, that's nothing compared to the vim of the stars." |