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1 - 10 of 12 search results for TALK:Vb20 24 / |u:people.ast.cam.ac.uk where 0 match all words and 12 match some words.

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  2. Introduction to Cosmology Lecture 6 Loveday+ 2012 Reddy & ...

    https://people.ast.cam.ac.uk/~pettini/Intro%20Cosmology/Lecture06_slides.pdf
    23 Oct 2018: SN Cosmology Project. 14. 16. 18. 20. 22. 24. 0.0 0.2 0.4 0.6 0.8 1.01.0.

  3. M. Pettini: Introduction to Cosmology — Lecture 3 RELATIVISTIC ...

    https://people.ast.cam.ac.uk/~pettini/Intro%20Cosmology/Lecture03.pdf
    11 Oct 2018: 2.12), the Friedmann equation (3.21) takes theform:. ȧ20 =8π. 3Ga20ρ0 kc2 = H20a200 kc2 (3.24).

  4. M. Pettini: Introduction to Cosmology — Lecture 2 NEWTONIAN ...

    https://people.ast.cam.ac.uk/~pettini/Intro%20Cosmology/Lecture02.pdf
    10 Oct 2018: ρ 1a4. (2.23). 7. and. a(t) =. (t. t0. )1/2; ρ(t) =. ρ0a4. =ρ0t. 20. t2(2.24). This is the second classic cosmological solution.

  5. M. Pettini: Introduction to Cosmology — Lecture 7 THERMAL ...

    https://people.ast.cam.ac.uk/~pettini/Intro%20Cosmology/Lecture07.pdf
    25 Oct 2018: We also saw in Lecture 2 (eq. 2.24) that in the radiation-dominated era thescale factor of the Universe evolves as a(t) = (t/t0). ... 7. 8. g. 2aT 4 for fermions,. (7.24). in equilibrium when kT mc2.

  6. M. Pettini: Introduction to Cosmology — Lecture 12 PHYSICAL ...

    https://people.ast.cam.ac.uk/~pettini/Intro%20Cosmology/Lecture12.pdf
    13 Nov 2018: 20. 8πGmH(12.16). (Y is the baryonic mass fraction in He: Yp = 0.24) and. ... bT (. 2kT. mH. )1/2= 12.8 T. 1/24 km s. 1 (12.22).

  7. M. Pettini: Introduction to Cosmology — Lecture 5 REDSHIFTS ...

    https://people.ast.cam.ac.uk/~pettini/Intro%20Cosmology/Lecture05.pdf
    18 Oct 2018: 2.21 and 2.24). Thus,we do have a horizon. We also recall (from eq. ... 2.24). With this func-tional form, we find that in the radiation dominated era, the horizon scalewas.

  8. Introduction to CosmologyLecture 10 R K Sachs A M ...

    https://people.ast.cam.ac.uk/~pettini/Intro%20Cosmology/Lecture10_slides.pdf
    6 Nov 2018: Savelainen. 30,52, G. Savini. 96. , D. Scott. 24. , M.

  9. M. Pettini: Introduction to Cosmology — Lecture 1 BASIC ...

    https://people.ast.cam.ac.uk/~pettini/Intro%20Cosmology/Lecture01.pdf
    8 Oct 2018: In cgs units:. H0 = 3.24 1018h s1 (1.11). Clearly, the time for a galaxy at a distance d, moving at velocity v, to moveapart by a further distance d

  10. M. Pettini: Introduction to Cosmology — Lecture 9 RECOMBINATION ...

    https://people.ast.cam.ac.uk/~pettini/Intro%20Cosmology/Lecture09.pdf
    6 Nov 2018: a1/2da. (9.24). Performing the simple integration and now changing to redshift, we have:.

  11. M. Pettini: Introduction to Cosmology — Lecture 6 THE ...

    https://people.ast.cam.ac.uk/~pettini/Intro%20Cosmology/Lecture06.pdf
    23 Oct 2018: 9. 14. 16. 18. 20. 22. 24. 0.0 0.2 0.4 0.6 0.8 1.01.0. ... ρk = 3. 8πG. k. a2(6.24). which varies as ρk a2, so that for curvature w = 1/3.

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