The cosmological constant

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The cosmological constant

  1. 1. And how it was discovered.
  2. 2. hydrogen 656 line UGC 12508 Recession velocity: 9100 km/sKUG 1217+324 Recessionvelocity: 31,400 km/s
  3. 3. In a letter to P. Ehrenfest on 4 February 1917 Einsteinwrote about his attempt: “I have again perpetratedsomething relating to the theory of gravitation thatmight endanger me of being committed to amadhouse. (Ich habe wieder etwas verbrochen in derGravitationstheorie, was mich ein wenig in Gefahrbringt, in ein Tollhaus interniert zu werden.)”
  4. 4. Conley et al 2011 ApJ

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