TERMIUM Plus®
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CRITICAL DENSITY UNIVERSE [2 records]
Record 1 - internal organization data 2023-10-17
Record 1, English
Record 1, Subject field(s)
- Astrophysics and Cosmography
- Space Physics
Record 1, Main entry term, English
- flatness problem
1, record 1, English, flatness%20problem
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- oldness problem 2, record 1, English, oldness%20problem
correct
- flatness-oldness problem 3, record 1, English, flatness%2Doldness%20problem
correct
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
There is no known reason for the density of the Universe to be so close to the critical density, and this appears to be an unacceptably strange coincidence in the view of most astronomers. Hence the flatness "problem". Many attempts have been made to explain the flatness problem, and modern theories now include the idea of inflation which predicts the observed flatness of the Universe. However, not all scientists have accepted inflation, and the matter remains a subject of much debate and research. 4, record 1, English, - flatness%20problem
Record 1, French
Record 1, Domaine(s)
- Astrophysique et cosmographie
- Physique spatiale
Record 1, Main entry term, French
- problème de la platitude
1, record 1, French, probl%C3%A8me%20de%20la%20platitude
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- problème de la planéité 2, record 1, French, probl%C3%A8me%20de%20la%20plan%C3%A9it%C3%A9
correct, masculine noun
Record 1, Textual support, French
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 2022-01-27
Record 2, English
Record 2, Subject field(s)
- Astrophysics and Cosmography
- Space Physics
Universal entry(ies) Record 2
Record 2, Main entry term, English
- density parameter
1, record 2, English, density%20parameter
correct
Record 2, Abbreviations, English
Record 2, Synonyms, English
Record 2, Textual support, English
Record number: 2, Textual support number: 1 CONT
The geometry of the universe is often expressed in terms of the "density parameter", which is defined as the ratio of the actual density of the universe to the critical density that would be required to cause the expansion to stop. 2, record 2, English, - density%20parameter
Record 2, French
Record 2, Domaine(s)
- Astrophysique et cosmographie
- Physique spatiale
Entrée(s) universelle(s) Record 2
Record 2, Main entry term, French
- paramètre de densité
1, record 2, French, param%C3%A8tre%20de%20densit%C3%A9
correct, masculine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
Record 2, Textual support, French
Record 2, Spanish
Record 2, Textual support, Spanish
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