help, please! Astronomy Textbookwebassign.net/web/Student/Assignment-Responses/submit/dep-2937737/Blags-qutosavesMicrosoft Office Fo.. WebAssignWe need to estimate the temperature at recombination from the figure below. (Estimate a temperature to the nearest 500 K.)Temperature (K)λ =101010⁹108107106105104103100101Formationof helium1sRadiation dominatesElectron-positron annihilation1 min 1 hour 1 day100 yr1 yr104 yrTime since Big BangEnergy density equalsmatter densityMatter dominatesRecombinationDark age106 yrquestRe-ionization(first starsand galaxies)108 yrA = 4.0Use Wien's law and the temperature you estimated to calculate the wavelength. nmNow5088431'31010 yrⓇThen use that temperature in Wien's Law to determine the wavelength in nanometers. Round to one significant figure.2.9 x 106!KO

From the graph, the temperature at the recombination i;

We need to estimate the temperature at recombination from the figure below. (Estimate a temperature to the nearest 500 K.) Matter dominates Temperature (K) λ = 1010 109 108 107 10⁰ 10° 104 10³ 100 10 1 Formation of helium 1s H !K 1 min Radiation dominates X Electron-positron annihilation 1 hour 1 day 1 yr 100 yr 104 yr Time since Big Bang Energy density equals Recombination Re-ionization (first stars and galaxies) Dark age 10 yr 108 yr ℗ Then use that temperature in Wien's Law to determine the wavelength in nanometers. Round to one significant figure. 2.9 x 106 Now A = 407 x Use Wien's law and the temperature you estimated to calculate the wavelength. nm. 1010 yr

We need to estimate the temperature at recombination from the figure below. (Estimate a temperature to the nearest 500 K.) Matter dominates Temperature (K) λ = 1010 109 108 107 10⁰ 10° 104 10³ 100 10 1 Formation of helium 1s H !K 1 min Radiation dominates X Electron-positron annihilation 1 hour 1 day 1 yr 100 yr 104 yr Time since Big Bang Energy density equals Recombination Re-ionization (first stars and galaxies) Dark age 10 yr 108 yr ℗ Then use that temperature in Wien's Law to determine the wavelength in nanometers. Round to one significant figure. 2.9 x 106 Now A = 407 x Use Wien's law and the temperature you estimated to calculate the wavelength. nm. 1010 yr

Astronomy

1st Edition

ISBN:9781938168284

Author:Andrew Fraknoi; David Morrison; Sidney C. Wolff

Publisher:Andrew Fraknoi; David Morrison; Sidney C. Wolff

Chapter29: The Big Bang

Section: Chapter Questions

Problem 26E: Following up on Exercise 29.27 calculate the energy of a typical photon. Assume for this approximate...

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