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GLASS-z12 is now the oldest galaxy discovered edit
This newly discovered galaxy formed before EGS-zs8-1: GLASS-z12 Jcgam (talk) 19:53, 15 April 2024 (UTC)
- It would be the earliest observed, not necessarily the oldest. 02:02, 16 April 2024 (UTC)
- I've removed the previous entries for EGS-zs8-1. Frankly, I don't think this article should be the target of such statements; it's meant to cover galaxies in general terms, not specific record holders. Praemonitus (talk) 16:21, 16 April 2024 (UTC)
We've Just Seen The First Galaxies in The Universe Being Born edit
I reverted a change that included a link to a May 2024 newspaper article entitled "We've Just Seen The First Galaxies in The Universe Being Born". This content is summary of a news article about primary publication. It's not encyclopedic. The only information in the content is the date really. Johnjbarton (talk) 14:56, 28 May 2024 (UTC)
- @Johnjbarton: (and others) - Thank You about your comments about my recent edit (and your related rv) about some recent publications[1][2] - yes - *entirely* agree - no probem whatsoever - Thanks again for all - and - Stay Safe and Healthy !! - Drbogdan (talk) 16:09, 28 May 2024 (UTC)
References
- ^ Starr, Michelle (27 May 2024). "We've Just Seen The First Galaxies in The Universe Being Born". ScienceAlert. Archived from the original on 28 May 2024. Retrieved 28 May 2024.
- ^ Kasper E. Heintz; et al. (23 May 2024). "Strong damped Lyman-α absorption in young star-forming galaxies at redshifts 9 to 11". Science. 384 (6698): 890–894. doi:10.1126/science.adj0343. Archived from the original on 24 May 2024.
how can be galaxy is flat like a disc? edit
if galaxy is flat than how thick is it ? 204.174.232.2 (talk) 01:02, 5 June 2024 (UTC)
- Please read the article. If you search for "thick", there it is. Johnjbarton (talk) 01:20, 5 June 2024 (UTC)
Early galaxy formation edit
@Sgubaldo In my opinion, the first two paragraphs of the section "Early galaxy formation" is news, not encyclopedia content. The section should summarize reliable reviews on "Early galaxy formation" not naturally unreliable news stories from last month. We just discussed this issue above in the topic "We've Just Seen the First Galaxies..." Johnjbarton (talk) 14:03, 5 June 2024 (UTC)
- @User:Johnjbarton This is the state it was in when I first came across it, I just updated it. I'm happy for it to be changed to more of an overview of the top-down/bottom-up processes talked about in the last two paragraphs. Sgubaldo (talk) 14:10, 5 June 2024 (UTC)
- Ok thanks. I started looking into the refs and mostly they are good. I'll resummarize them to focus on the science and challenges rather than dates. Johnjbarton (talk) 15:20, 5 June 2024 (UTC)
- Actually the third paragraph is out of date as well. In the 20+ years since the 1999 reference the galaxy formation theory and observation has changed.
- I now think that "Early galaxy formation" is over emphasized. The "Formation" section needs to be expanded. As far as I can tell on the theory side, "early galaxies" are special primarily because they are "early", not because their "formation" is unique. Johnjbarton (talk) 00:00, 7 June 2024 (UTC)