Brown, G., & Harris, W. (2000, May 19). How Satellites Work. Retrieved from http://howstuffworks.com
Howell, E. (2017, October 27). What Is A Satellite?. Retrieved from http://space.com
May, S. (2017, August 7). What Is A Satellite?. Retrieved from http://nasa.gov
The Big Satellite List. 50 Satellites. 30 Words or Less. (2019, April 3). Retrieved from http://gisgeography.com
Woodford, C. (2018, August 26). How Do Satellites Work?. Retrieved from http://explainthatstuff.com
Howell, E. (2017, October 27). What Is A Satellite?. Retrieved from http://space.com
May, S. (2017, August 7). What Is A Satellite?. Retrieved from http://nasa.gov
The Big Satellite List. 50 Satellites. 30 Words or Less. (2019, April 3). Retrieved from http://gisgeography.com
Woodford, C. (2018, August 26). How Do Satellites Work?. Retrieved from http://explainthatstuff.com