Zone of silence: Testing satellite antennas

(Phys.org) —Satellite engineers learn to get used to the weirdly hushed interior of the Compact Payload Test Range in ESA's ESTEC technical centre area, in Noordwijk, the Netherlands. In this zone of silence, satellite ...

Final North American ALMA antenna delivered

(Phys.org)—After an odyssey of design and construction stretching across more than a decade, North America has delivered the last of the 25, 12-meter-diameter dish antennas that comprise its share of antennas for the international ...

NASA's GPM observatory completes first dry run

(Phys.org)—NASA's Global Precipitation Measurement (GPM) Core Observatory satellite went through its first complete comprehensive performance test (CPT), beginning on Oct. 4, 2012 at NASA's Goddard Space Flight Center in ...

Dead stars could be the future of spacecraft navigation

Scientists at the National Physical Laboratory (NPL) and the University of Leicester have been commissioned by the European Space Agency (ESA) to investigate the feasibility of using dead stars to navigate spacecraft in deep ...

Bio-inspired nanoantennas for light emission

Just as radio antennas amplify the signals of our mobile phones and televisions, the same principle can apply to light. For the first time, researchers from CNRS and Aix Marseille Université have succeeded in producing ...

SETI on the SKA

Can the Square Kilometer Array - a network of thousands of radio antennas to be based in South Africa and Australia -- be used to hunt for extraterrestrial signals?

Debate still raging on site for super-telescope

An international consortium planning to build the world's most powerful radiotelescope is still debating whether South Africa or Australia should host the $2 billion project, an official said Friday.

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