2021.12.02 15:17 ShotGlassLens Black hole accretion disks
This morning my mind was wandering over black holes and the impacts to other bodies that they have at large distances. My thought train is this, as far as we know all galaxies have super massive black holes at their centers. Sag A is our galactic center black hole but it only represents a very small amount of matter in our galaxy compared to the sum of all of the known mass. Some believe that “dark matter” is the glue that keeps the mass of the galaxy together, but this is only theory and for decades now there has been no solid evidence for its existence.
Now to my question, since we know that all things orbit a center of gravity, and since the actual impact of an unproven theoretical “dark matter” is unclear, is it possible that our understanding of gravity is just faulty enough at large scales to allow for galaxies to effectively be likened to an extended accretion disk for the galactic center? Or perhaps stated differently, is the sum of the mass of the at or near the center of mass great enough to account for the cohesion, shape, & spin of a galaxy?
Not claiming to understand any of the maths behind all of this, just a curious amateur. Thanks for your inputs!
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2021.12.02 15:17 PowerPuffMuffins Casca Golden Age vs Post Eclipse (AI Generated Art) *REALISM*
2021.12.02 15:17 muahahaha_pffft ccssssccccssscccc
2021.12.02 15:17 godogs2018 Are cafeterias and Dining Commons open to the public?
Hi I will be visiting CSUS for several weeks and am deciding on where to stay. Are the dining facilities on campus, including Dining Commons, open to the public? It would be easier for me if I didn’t have to cook that much. Thanks.
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2021.12.02 15:17 Top_Location Almost perfect punch. Loaded another 25 at $174,50. DRS incoming soon. Thanks Kenny...
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2021.12.02 15:17 ExaltedElf Need Help; Trying to find a way to get visa
Hello, I am completely lost. I am trying to find a way for a friend of mine to get a visa from the Netherlands to immigrate to the United States. But I am completely lost on how to help them so I was hoping that posting to this subreddit might give me some aid on my search.
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2021.12.02 15:17 NinjaMelon39 Wattson's heirloom... it's shockingly bad lmfao
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2021.12.02 15:17 mikjoer Acrylic Sheets Cut to Fit over 6 String Fretboard
I want to add LEDs (thin strips, no thicker than how far the frets stick out from the surface of the neck) to the fretboard of a six string electric. I want to put acrylic sheets over the top of the frets but under the strings (for example here: Cut-to-Size Clear Acrylic Sheet - Extruded) and play the bass as if it were fretless. That is, the acrylic would become the fretless fingerboard. The point is to see the lights through the neck.
A few questions: -What would be the best way to mount the acrylic sheets to the fretboard? It is okay if they aren't easily removable. -The action should be quite high to accommodate the raised fingerboard. However, there is a limit to how high the action can go. How thick should the acrylic be to form a playable fingerboard but to not "crowd the strings"? -All 6 string basses I can find seem to have necks which are wider at the bridge than at the nut. Using such a bass for this project would be more difficult than using one for which this isn't true (fretboard width at nut should be the same as fretboard width at highest fret) because precut acrylic seems to come in squares. Are there any 6 string basses with such rectangular necks? Perhaps with string spacing which is slightly larger than normal at the nut and slightly smaller than normal at the highest fret?
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2021.12.02 15:17 Zap_Canon Aunty....Eula😤
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2021.12.02 15:17 cheese4peace My aunt gave this me this Ferragamo bag. Does anyone what this bag is called? I’m not really knowledgeable with handbags. Thank you!
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2021.12.02 15:17 Current_Pirate_1815 [H] Used Sidecar Beaker [W] $85 PayPal G&S
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2021.12.02 15:17 TollBoothW1lly Chunky spring steel camp knife.
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2021.12.02 15:17 Timhortons14 Family Share?
2021.12.02 15:17 Obewyn Research: Zero Trust Expected to Double Cybersecurity Efficacy
2021.12.02 15:17 ZoolShop Aughnacloy: 27,000 ducks to be culled over suspected bird flu
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2021.12.02 15:17 rkp1234br Square, la otra empresa de Jack Dorsey, hace un guiño al «blockchain» y pasa a denominarse Block
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2021.12.02 15:17 Top_Location CRTX Stock! Short Squeeze!
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2021.12.02 15:17 AutoNewspaperAdmin [World] - Chinese firm signs energy deal with Male | The Hindu
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2021.12.02 15:17 apkgsmod Top 4 Anime Websites to watch (2021)
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2021.12.02 15:17 PARISLATOKYO How low you guys think were going?
2021.12.02 15:17 Practical_God Ghostbusters (1984) [1335x2000] by Sam Gilbey
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2021.12.02 15:17 TheMoonTirade FT: Palkia LF:Dialga
2021.12.02 15:17 ThinkTherapy Music has a way of transcending experiences - Yes/No/example
I am having trouble with grammar for this quote.
"Music has a way of transcending experiences."
I need help making this shorter, or a better way to describe its meaning?
Which musical piece explains this concept?
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2021.12.02 15:17 JustAnotherRocketDr NASA to Announce Next Class of ASCANs on Monday
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2021.12.02 15:17 Obewyn Technology-filled learning lab unveiled at W.E.B. DuBois Academy