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Showing posts with label technology. Show all posts
Showing posts with label technology. Show all posts

Tuesday, July 1, 2008

Space technology and applied Science

Hubble Ultra Deep Field
Universe

Satellite

Space technology is technology that is related to entering space, maintaining and using systems during spaceflight and returning people and things from space.
Space technology has a huge impact on the everyday lives of people; and something as simple as checking the weather or watching satellite television or receiving a parcel guided by satellite, it touches most people's lives on any given day.
The universe, exclusive of Earth, is such an alien environment that attempting to work in it requires new techniques and knowledge. New technologies originating with or accelerated by space-related endeavors are often subsequently exploited in other economic activities. This has been widely pointed to as beneficial by space advocates and enthusiasts favoring the investment of public funds in space activities and programs. Political opponents counter that it would be far cheaper to develop specific technologies directly if they are beneficial and scoff at this justification for public expenditures on space-related research.
Technologies such as weather station satellites and GPS systems, satellite television, and some long distance communications systems critically rely on space infrastructure and these technologies touch the vast majority of lives in the Western world and very many people elsewhere, every single day.
Computers and telemetry were once leading edge technologies that might have been considered "space technology" because of their criticality to boosters and spacecraft. They existed prior to the Space Race of the Cold War but their development was vastly accelerated to meet the needs of the two major superpowers' space programs. While still used today in spacecraft and missiles, the more prosaic applications such as remote monitoring (via telemetry) of patients, water plants, highway conditions, etc. and the widespread use of computers far surpasses their space applications in quantity and variety of application.

Monday, June 30, 2008

Transportation Services




Computer rendering of
Rocketplane-Kistler K-1
approaching ISS (RpK)
Commercial Orbital Transportation Services
On January 18, 2006 NASA announced an opportunity for commercial providers to demonstrate orbital transportation services. NASA plans to spend $500 million through 2010 to finance development of private sector capability to transport payloads to the International Space Station (ISS). This is more challenging than extant commercial space transportation because it requires precision orbit insertion, rendezvous and possibly docking with another spacecraft. The commercial vendors will compete in specific service areas. NASA Administrator Michael D. Griffin has stated that without affordable commercial orbital transportation services (COTS), the agency will not have enough funds remaining to achieve the objectives of the Vision for Space Exploration.
On August 18, 2006, NASA announced that Space Exploration Technologies (SpaceX) and Rocketplane Kistler (RpK) are the two winners for Phase I of the COTS program. NASA anticipates that COTS services to ISS will be necessary through at least 2015. The NASA Administrator has suggested that space transportation services procurement may be expanded to orbital fuel depots and lunar surface deliveries should the first phase of COTS prove successful