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Actual satellite view at Europe (EUMETSAT): 
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The sands of time are running out for the central star of this the Hourglass Nebula. With its nuclear fuel exhausted, this brief, spectacular, closing phase of a sun-like star's life occurs as its outer layers are ejected and its core becomes a cooling, fading white dwarf. In 1995, astronomers used the Hubble Space Telescope to make a series of images of planetary nebulae, including the one above. Here, delicate rings of colorful glowing gas (nitrogen-red, hydrogen-green, and oxygen-blue) outline the tenuous walls of the 'hourglass.' The unprecedented sharpness of Hubble's images revealed surprising details of the nebula ejection process and may resolve the outstanding mystery of the variety of complex shapes and symmetries of planetary nebulae. Image Credit: NASA, WFPC2, HST, R. Sahai and J. Trauger (JPL)
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Archive for the ‘Navigation Systems’ Category
Balloon Fiesta 2010 – Kosice, Slovakia/EU
This year’s balloon fiesta in Kosice (Slovakia, European Union), is successfully passed. The balloon fiesta was in term from the 9th – 13th June 2010. It was visited by many fans of baloon flying. We are bringing you the report photos from the bird perspective.
European Union closer to its own satellite navigation system
European Commission announces the award of major Galileo contracts. On 7th January 2010 Antonio Tajani, European Commission Vice-President in charge of Transport, has announced the award of three of the six contracts for the procurement of Galileo’s initial operational capability. These contracts will be signed in the next weeks between ESA, on behalf of the European Commission, and the chosen companies. (source ESA)
Galileo satellite platform tests under way
The engineering model of the first Galileo satellites has completed platform integration tests at the Thales Alenia Space facility in Rome. The platform is now undergoing functional testing. Delivery of the engineering model payload from Astrium UK is expected in December.
The engineering model of the Galileo In-Orbit Verification (IOV) satellites is mitigating the design risks ahead of building the proto-flight model and the three flight model satellites. It is also being used to debug the testing procedure and to demonstrate the satellite’s compatibility with the Galileo ground system.
The engineering model represents the flight models in form, fit and function, but does not have the complete redundancy of its flight counterparts. As the individual units of the engineering model do not have to undergo the lengthy and expensive environmental test campaigns needed for the flight models, it can be built far in advance of them, at a fraction of the cost.
The verification programme for the flight model satellites is shorter and simpler, because it only has to demonstrate the correctness and quality of their construction.
The definition phase and the development and In-Orbit Validation phase of the Galileo programme were carried out by the European Space Agency (ESA) and co-funded by ESA and the European Community.
Source: ESA
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