Changes in version 2.2.0 (2025-09-27)                  

  - fixing overlapping moons' labels in the plot and animation

  - adding interesting examples of configuration moments to the
    documentation

                        Changes in version 2.1.0                        

  - new function galsat_animate() animates the motion of the moons
    around Jupiter

                 Changes in version 2.0.2 (2025-09-11)                  

  - fixing error when building the PDF refman

                        Changes in version 2.0.1                        

  - fixing delta_t() function to generate a vector of values

                        Changes in version 2.0.0                        

  - changing the parameters of the galsat() function to UTC (earlier in
    ET)

  - new function delta_t() returns the delta-T in units of seconds

                 Changes in version 1.0.1 (2025-07-21)                  

  - getting rid of console entries

                        Changes in version 1.0.0                        

  - combining two functions (galsat() & galdraw()) to one galsat()

                        Changes in version 0.4.0                        

  - providing proper aspect ratio for the plot

                        Changes in version 0.3.1                        

  - adding date & time validation

  - adding comments for the R code

                        Changes in version 0.3.0                        

  - displaying a photo of Jupiter instead of a circle

  - hiding the moons that are behind Jupiter's disk

                        Changes in version 0.2.0                        

  - new function galdraw() visually shows satellites' positions

                        Changes in version 0.1.0                        

  - base function galsat() calculates numerical positions of Galilean
    satellites