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NASA Image Of The Day

Liftoff of SpaceX Falcon 9 Rocket Carrying Dragon Resupply Spacecraft
NASA Image Of The Day
The SpaceX Falcon 9 rocket rises above the lightning masts on Space Launch Complex 40 at Cape Canaveral Air Force Station, carrying the Dragon resupply spacecraft to the International Space Station. Liftoff was during an instantaneous window at 3:25 p.m. EDT on Friday, April 18. Dragon is making its fourth trip to the space station. The SpaceX-3 mission, carrying almost 2.5 tons of supplies, technology and science experiments, is the third of 12 flights under NASA's Commercial Resupply Services contract to resupply the orbiting laboratory. > Read more Image Credit: NASA/Kim Shiflett...
18 Apr 2014
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  • Electric thrusters may steer Galileo in future

    Future Galileo navigation satellites might adopt electric propulsion to reach their final orbits, with the weight savings offering larger payloads and a broader range of services in the 2020s.



  • New Galileo station opens in Azores

    The latest addition to Galileo’s worldwide ground infrastructure has been made in the mid-Atlantic, on Portugal’s Santa Maria island in the Azores.



  • Wings of power

    Europe’s Galileo satellites in orbit are kept alive by the Sun – through their solar arrays

  • Dutch company powering Galileo

    As they bathe the ground below them in test navigation messages, Europe’s Galileo satellites are kept alive by the Sun. 



  • ESA to certify first Galileo position fixes worldwide

    To mark the first anniversary of Galileo’s historic first satnav positioning measurement, ESA plans to award certificates to groups who picked up signals from the four satellites in orbit to perform their own fixes.



  • Galileo to augment systems guiding aircraft in 2020

    Plans to harness Galileo and other satnav systems for next-generation satellite augmentation systems for aviation and other high-performance uses took a significant step forward at the latest gathering of worldwide operators and experts.



  • Galileo for mass market

    ESA is working directly with European manufacturers of mass-market satnav chips and receivers to ensure that their products are Galileo-ready

  • ESA helping prepare satnav mass market for Galileo services

    With the first Galileo services set to begin this year, ESA is working directly with European manufacturers of mass-market satnav chips and receivers to ensure that their products are Galileo-ready.



  • Galileo validated

    The in-orbit validation of Galileo has been achieved: Europe now has the operational nucleus of its own satellite navigation constellation in place

  • Galileo works, and works well

    The in-orbit validation of Galileo has been achieved: Europe now has the operational nucleus of its own satellite navigation constellation in place – the world’s first civil-owned and operated satnav system.



  • First airborne fix

    For the first time, Europe has been able to determine an aircraft's position using only Galileo

  • Galileo achieves its first airborne tracking

    ESA’s Galileo satellites have achieved their very first aerial fix of longitude, latitude and altitude, enabling the inflight tracking of a test aircraft.



  • Galileo out of vacuum

    A hatch slides open and ESA's latest Galileo satellite emerges from five weeks of simulated space conditions

  • ESA’s new breed of Galileo endures weeks of simulated space

    ESA’s newest Galileo satellite has emerged from five weeks of simulated space conditions: Friday saw a hatch slid open to end its thermal-vacuum test, a milestone on the way to orbit.



  • Experts seek to harness Galileo for science

    As Galileo takes shape, as well as offering precision navigation and timing services around the world it is also shaping up to become a promising tool for science. 



  • Galileo put to the test

    Europe’s next Galileo satellites have been the focus of a busy autumn at ESA’s technical centre in the Netherlands, continuing a full-scale test campaign

  • A testing time for Galileo satellites headed to space

    Europe’s next pair of Galileo satellites have been the focus of a busy autumn at ESA’s technical centre in the Netherlands, continuing a full-scale campaign to ensure their readiness for space.



  • Athlete tracker takes home grand prize

    A small but revolutionary motion sensor worn by athletes has scored a big win in this year’s European Satellite Navigation Competition. Proposed by the ESA Business Incubation Centre start-up company Kinexon, it provides accurate, realtime information on an athlete’s condition.



  • Search and rescue sites

    Dedicated ground stations at opposite ends of Europe enable Galileo participation in global Cospas–Sarsat search and rescue testing

  • European ground stations enable Galileo search and rescue testing

    ESA’s completion of a pair of dedicated ground stations at opposite ends of Europe has enabled Galileo satellites in orbit to participate in global testing of the Cospas–Sarsat search and rescue system.



  • Navipedia

    Visit Navipedia, the web’s leading resource on satellite navigation: http://www.navipedia.net

  • Galileo given its voice

    Meet the Norwegian company whose equipment is giving Galileo FOC its voice, plus its search and rescue capability

  • Galileo's first fix

    With first position measurement, Galileo fixes its place in history

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