Physics 320: Astrophysics Homework

Spring 2006

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Problems mainly from Introduction to Cosmology by Barbara Ryden

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• HW 1:
  • Due 5 p.m. (Monday) 23 Jan 06
  • Posted (Sunday) 15 Jan 06
  • Revised (Wednesday) 18 Jan 06
  • Problem 2.0: Assume H_o = 71km/s/Mpc and explicitly calculate the Hubble time in Gyr and the Hubble distance in Mpc.
  • Ryden 2.1, 2.2, 2.5
  • Average = 14.5 / 16
  
  
• HW 2:
  • Due 5 p.m. (Monday) 30 Jan 06
  • Posted 9:30 p.m. (Monday) 23 Jan 06
  • Revised 2 p.m. (Wednesday) 25 Jan 06
  • Download Problem Set 2
  • Average = 18.3 / 20
  
  
• HW 3:
  • Due 5 p.m. (Monday) 6 Feb 06
  • Posted 8 p.m. (Tuesday) 31 Jan 06
  • Ryden 3.1, 3.2, 3.3, 3.5
  • Average = 15.1 / 16
  
  
• HW 4:
  • Due 5 p.m. (Monday) 13 Feb 06
  • Posted 10:30 p.m. (Monday) 6 Feb 06
  • Download Problem Set 4
  • Average = 13.1 / 16
  
  
• HW 5:
  • Due 5 p.m. (Monday) 20 Feb 06
  • Posted 8:00 p.m. (Monday) 13 Feb 06
  • Ryden 4.1, 4.2, 4.4, 4.5
  • Average = 13. 4 / 16
  
  
• HW 6:
  • Due 5 p.m. (Monday) 27 Mar 06
  • Posted 2:00 p.m. (Wednesday) 8 Mar 06
  • Ryden 5.1, 5.2, 5.4
  • Average = 11.8 / 12
  
  
• HW 7:
  • Due 5 p.m. (Monday) 3 Apr 06
  • Posted 4:00 p.m. (Wednesday) 29 Mar 06
  • Problem 6.0: Explicitly show that Equations 6.20 & 6.21 solve 6.15.
  • Ryden 6.5, 6.8
  • Average = 10.9 / 12
  
  
• HW 8:
  • Due 5 p.m. (Monday) 10 Apr 06
  • Posted 9:50 p.m. (Wednesday) 5 Apr 06
  • Ryden 7.3, 7.6, 7.7
  • Average = 10.9 / 12
  
  
• HW 9:
  • Due 5 p.m. (Monday) 24 Apr 06
  • Posted 5:20 p.m. (Friday) 21 Apr 06
  • Ryden 9.1, 9.2, 9.3
  • Average = TBA
  
  
• HW 10:
  • Due 5 p.m. (Monday) 1 May 06
  • Posted 5:20 p.m. (Friday) 21 Apr 06
  • Ryden 10.1, 10.2, 10.3
  • Average = TBA
  
  

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