Word Pronunciation & Dictionary

ehlers-geren-sachs theorem

Word Rarity Very rare

Frequency: Zipf frequency 1.43 in modern English

Syllables: ehler-s-geren-sach-s the-o-rem
IPA

37

Scrabble Score

23

Letters

7

Syllables

12

Unique Chars

Meaning

name

A theorem showing that if, in a given universe, all freely falling observers measure the cosmic background radiation to have exactly the same properties in all directions (isotropic), then that universe is an isotropic and homogeneous FLRW spacetime.

Etymology

Published in 1968 by Jürgen Ehlers, P. Geren, and Rainer K. Sachs.

Inflected Forms

the Ehlers-Geren-Sachs theorem (canonical)

Questions

What does ehlers-geren-sachs theorem mean?: A theorem showing that if, in a given universe, all freely falling observers measure the cosmic background radiation to have exactly the same properties in all directions (isotropic), then that universe is an isotropic and homogeneous FLRW spacetime.
Where does ehlers-geren-sachs theorem come from?: Published in 1968 by Jürgen Ehlers, P. Geren, and Rainer K. Sachs.

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