laguer / hubble-radius

48 Methods exhibiting the Hubble radius (distance estimates) mistakenly known as the age of the universe

Hubble radius estimates

This repository contains the Jupyter notebooks of 48 Methods exhibiting the age of the universe (Hubble radius distance) using physical constants.

Python modules used: scipy, sympy, pandas and numpy

Fixed Constants used are:

• 𝜋=3.141592653589793... https://oeis.org/A000796
• Euler Mascheroni 𝛾=0.5772156649015329... https://oeis.org/A001620
• Atiyah's Γ=25.178097241906...
• Feigenbaum constant δ=4.669201609102990671853... https://oeis.org/A006890
• 2nd Feigenbaum constant α=2.50290787509589282228390287321... https://oeis.org/A006891
• Eddington Electric Constant 𝑎=137.0359990836958 also known as the inversed fine structure constant CODATA2018
• 𝑐=299792458.0 m/s CODATA2018
• ℎ=6.62607015.10−34 𝐽.𝐻𝑧−1 CODATA2018
• ℏ=1.0545718176461565.10−34 𝐽.𝑠 CODATA2018
• 𝑙𝑃=1.616255.10−35 m Planck length
• 𝑚𝑃=2.176434.10−8 kg Planck mass
• ƛ𝑒 =3.8615926796.10−13 m Reduced (Electron) Compton Wavelength CODATA2018
• ƛ𝑝 =2.10308910336.10−16 m Reduced (Proton) Compton Wavelength CODATA2018
• Mass of the electron 𝑚𝑒=9.1093837015.10−31 kg CODATA2018
• Mass of the proton 𝑚𝑝=1.67262192369.10−27 kg CODATA2018
• Boson 𝑊=80.379𝐺𝑒𝑉 ± 0.012 Particle Data Group Bosons M. Tanabashi et al. (Particle Data Group), Phys. Rev. D 98, 030001 (2018) and 2019
• Boson 𝑍=91.1876𝐺𝑒𝑉 ± 0.0023 Particle Data Group Bosons M. Tanabashi et al. (Particle Data Group), Phys. Rev. D 98, 030001 (2018) and 2019
• Lepton 𝑒=0.5109989461𝑀𝑒𝑉 Particle Data Group Leptons M. Tanabashi et al. (Particle Data Group), Phys. Rev. D 98, 030001 (2018) and 2019
• Baryon 𝑝=938.272081𝑀𝑒𝑉 Particle Data Group Baryons M. Tanabashi et al. (Particle Data Group), Phys. Rev. D 98, 030001 (2018) and 2019
• Baryon 𝑛=939.565413𝑀𝑒𝑉 Particle Data Group Baryons M. Tanabashi et al. (Particle Data Group), Phys. Rev. D 98, 030001 (2018) and 2019
• 𝐺=6.6743.10−11 𝑚3.𝑘𝑔−1.𝑠−2 Newtonian constant of gravitation CODATA2018
• 𝐺𝑞=6.6755.10−11 𝑚3.𝑘𝑔−1.𝑠−2 Newtonian constant of gravitation measured by T.Quinn et al. (2013) BIPM Sevres Improved determination of G using two methods
• 𝐺𝑏2𝑐=6.6754552.10−11 𝑚3.𝑘𝑔−1.𝑠−2 Newtonian constant of gravitation estimated by Francis M. Sanchez et al. (2019) in Back to Cosmos
• 𝐺𝑠=6.67545372.10−11 𝑚3.𝑘𝑔−1.𝑠−2 Newtonian constant of gravitation estimate by Francis M. Sanchez (Jan 2020)