Loading…
Loading contentLoading…
Loading contentThe largest part of the space economy — the industry built on satellites for communications, navigation, and Earth observation, whose services underpin the modern economy on the ground, from banking timestamps to weather forecasts to global positioning.
Facts on this topic will be cited from these primary and reference sources.
Mission data, planetary science, space telescopes, and public-domain imagery.
Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.