Читать книгу Foundations of Space Dynamics - Ashish Tewari - Страница 23

1 Using the following exponential atmosphere model for Earth with the scale height, km, and base density, , calculate the atmospheric density at the altitude, km:Compare the result with that given in Table 1.1.

2 Calculate the Julian date for 3:30 p.m. UT on October 15, 2007, referring to the epoch.

3 What is the exact time difference between two events happening at 11:05 a.m. on July 28, 1993, and 8:31 p.m. on November 3, 2005, respectively?