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We have characterized space products and services as directly enabled by space infrastructure and intended to be in the space environment or directly interacting with the space environment.
The year 2005 saw growth in subscribers and offerings for mobile satellite services, launches of probes to explore Mars and Venus, a probe landing on Saturn’s moon Titan, and growth in commercial space transportation services.
Currently, ## scientific satellites are in orbit around the Earth. These satellites address a wide array of scientific issues. For example, NASA characterizes scientific satellites by the following types: astronomy, earth science, planetary science, solar physics, space physics, life science, and microgravity.
Read MoreSurface systems are those systems that operate on the surface of a planet. Current operational surface systems include the NASA Jet Propulsion Laboratory (JPL) Mars Rovers, Spirit and Opportunity. These robots were launched in June and July 2003, with the purpose of understanding the history of water on Mars.
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