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The cosmological constant

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Mazhar Laliwala
Mazhar Laliwala
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And how it was discovered.
hydrogen 656 line UGC 12508 Recession velocity: 9100 km/s KUG 1217+324 Recession velocity: 31,400 km/s
In a letter to P. Ehrenfest on 4 February 1917 Einstein wrote about his attempt: “I have again perpetrated something relating to the theory of gravitation that might endanger me of being committed to a madhouse. (Ich habe wieder etwas verbrochen in der Gravitationstheorie, was mich ein wenig in Gefahr bringt, in ein Tollhaus interniert zu werden.)”
Conley et al 2011 ApJ
The cosmological constant
The cosmological constant

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The cosmological constant

  • 1. And how it was discovered.
  • 2.
  • 3.
  • 4.
  • 5. hydrogen 656 line UGC 12508 Recession velocity: 9100 km/s KUG 1217+324 Recession velocity: 31,400 km/s
  • 6.
  • 7.
  • 8.
  • 9.
  • 10.
  • 11.
  • 12.
  • 13. In a letter to P. Ehrenfest on 4 February 1917 Einstein wrote about his attempt: “I have again perpetrated something relating to the theory of gravitation that might endanger me of being committed to a madhouse. (Ich habe wieder etwas verbrochen in der Gravitationstheorie, was mich ein wenig in Gefahr bringt, in ein Tollhaus interniert zu werden.)”
  • 14.
  • 15.
  • 16.
  • 17.
  • 18.
  • 19.
  • 20.
  • 21. Conley et al 2011 ApJ