Talk:Dwarf galaxy problem
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Removed unreferenced tag
editI added a ref for the Local Group and Milky Way dwarf satellites to the existing one for the Milky Way dwarf satellites predicted from dark matter simulation, and compared the two to show the problem (11 observed as opposed to 500 predicted for the Milky Way). So the unreferenced tag, whilst previously partly justified, is now unnecessary in my POV and I removed it. I also added a wikilink to this page, and these refs, from Dark Matter which also mentions the lack of dwarf galaxies compared to DM predictions. Puzl bustr (talk) 14:43, 16 January 2010 (UTC)
Resolution
editThe resolution, to this conundrum, could be a question of (simulation) resolution -- if you combine the counts, of Globular Clusters, with Dwarf Galaxies, you quickly reach numbers (100s), completely consistent, with said simulations. So, perhaps the sims are currently qualitatively, if not completely quantitatively, accurate ??24.143.65.75 (talk) 07:19, 17 May 2011 (UTC)
Thanks
editThanks to all the contributors to this page : it has now been translated into french. Hop ! Kikuyu3 (talk) 19:04, 15 December 2011 (UTC)
Wiki Education assignment: ASTR323_exgal
edit
This article was the subject of a Wiki Education Foundation-supported course assignment, between 6 January 2025 and 21 March 2025. Further details are available on the course page. Student editor(s): Debsie2004, IshaaniUW (article contribs). Peer reviewers: Marcos marro, SydneyPemble, Kyleighm21.
— Assignment last updated by SydneyPemble (talk) 00:33, 5 March 2025 (UTC)
Updated critical information
editMade updates to the “Context” and “Prospective Resolution” sections that discuss the recent discoveries of more satellites than expected with the case of the Milky Way, fewer satellites than expected for early-type galaxies, and recent density profiles. Also edited the header to reflect these updates, and added references for the updates. Debsie2004 (talk) 08:14, 17 February 2025 (UTC)
- Too bad that Wikipedia is increasingly stuck on early 2000s knowledge, back when it was the only interactive website around. Now we don't have lexicons anymore. Sigh.
- --77.191.81.24 (talk) 09:58, 29 March 2025 (UTC)
Euclid 'dark universe detective' spacecraft discovers 2,674 new dwarf galaxies
editThis article needs to be updated based on recent finding on dwarf galaxies. [2503.15335] Euclid: Quick Data Release (Q1) -- A census of dwarf galaxies across a range of distances and environments Dnresr (talk) 19:34, 21 July 2025 (UTC)
- In general Wikipedia is a summary of secondary sources, eg reviews, textbooks, or content in primary sources that summarizes other work rather than reports new work. New primary peer reviewed articles from established authors or teams are sometimes included as essentially self reviewed. We are not a news or database service. Johnjbarton (talk) 22:18, 29 July 2025 (UTC)