Timeline for How did we 'discover' dark matter?
Current License: CC BY-SA 4.0
9 events
| when toggle format | what | by | license | comment | |
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| May 17, 2018 at 3:38 | comment | added | Sudix | @RobJeffries The this leads to that explanation method is only useful if you substitute "this" and "that". I'd say a far more compelling argument for dark matter is the Millennium Run | |
| May 16, 2018 at 11:50 | comment | added | ProfRob | @Sudix That it solves this problem and several others (whilst introducing a different problem...) | |
| May 16, 2018 at 8:50 | comment | added | kubanczyk | Obligatory xkcd. | |
| May 16, 2018 at 4:52 | comment | added | Sudix | When I look at that chart, my first deduction is "the rotation speed of all objects in a galaxy tends to 200 km/sec with increasing range from the center", not "there's a specifically designed formation of dark matter that solves this problem that we just can't measure". What exactly has the dark matter approach over going for it? | |
| May 15, 2018 at 21:52 | comment | added | NeutronStar | That's not a Keplerian prediction (nor should it be). A Keplerian prediction would be monotonically decreasing. However, since mass enclosed in an orbit in a galaxy increases with radius from the center, we wouldn't expect a Keplerian anyway, since Keplerian orbits assume a fixed amount of mass inside an orbit independent of radius from center. | |
| May 15, 2018 at 16:28 | history | edited | Geremia | CC BY-SA 4.0 |
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| May 15, 2018 at 15:59 | comment | added | freecharly | Dark matter was first postulated in 1933 by the astronomer Fritz Zwicky, not by Vera Rubens. See my answer with links below! | |
| May 15, 2018 at 15:41 | history | edited | Geremia | CC BY-SA 4.0 |
added 448 characters in body
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| May 15, 2018 at 15:32 | history | answered | Geremia | CC BY-SA 4.0 |