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Seeds of giant galaxies formed in the early universe

 
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PostPosted: 22.12.2018 20:25    Post subject: Seeds of giant galaxies formed in the early universe Reply with quote

Seeds of giant galaxies formed in the early universe

https://m.phys.org/news/2018-12-seeds-giant-galaxies-early-universe.html

"The results show that although the massive quiescent galaxies are compact (only about 2% the size of the Milky Way) they are almost as heavy as modern galaxies. This means that to become modern giant elliptical galaxies they must puff up about 100 times in size, but only increase in mass by about 5 times. Comparing the observations to toy models, the team showed that this would be possible if the growth was driven, not by major mergers where two similar galaxies merge to form a larger one, but by minor mergers where a large galaxy cannibalizes smaller ones.

"We are very excited about the implications of our findings," explains corresponding author Mariko Kubo, a post-doctoral researcher at NAOJ. "But we are now at the resolution limit of existing telescopes. The superior spatial resolution of the Thirty Meter Telescope currently under development will allow us to study the morphologies of distant galaxies more precisely. For more distant galaxies beyond 12 billion light-years, we need the next generation James Webb Space Telescope.""

Niin, mikäs tässä nyt on niin ihmeellistä?!?

Galaksit syntyvät sisältä ulos päin nopeasti.

Ensin syntyivät galaksien keskusten laajenevat supermassiiviset kohteet saman aikaisesti erillisissä omissa 3 D "alkuräjähdyksissä" ilman vetävää voimaa ja ilman kaareutuvaa avaruutta.

Myöhemmin nämä laajenevat supermassiiviset kohteet törmäilivät toistensa kanssa ja näin syntyi uusia laajenevia galakseja sisältä ulos päin.

Ja täts it.

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