COSMIC makes use of radio signals from Global Positioning System (GPS) satellites. As the GPS signals pass through the atmosphere, the signals’ paths are bent and their progress is slowed. Illustration: Broad Reach Engineering.

Site Map | News | SpaceFlight | Science | Technology | Entertainment | SpaceViews | NightSky | Ad Astra | SETI
Image Galleries | Videos | Reader Favorites | Image of the Day | Amazing Images | Wallpapers | Community
about us | FREE Email Newsletter | message boards | register at SPACE.com | contact us | advertise with us | terms & conditions | privacy statement
DMCA/Copyright
  What is This?