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Biggest Telescope Using Interferometry
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Summary
In the northeast of Holland, 14 large antenna dishes have been placed next to each other in a 2.7 kilometer long line. This is the Westerbork Synthesis Radio Telescope, or Westerbork Array. These telescopes have been linked together to act as if they were a single larger instrument. This array has become part of a global radio astronomy network, using a technique known as very long baseline interferometry (vlbi).
Scientists collect the filter signals from multiple radio telescopes, which are then sent to a correlator and an extremely accurate image is generated, as if you were using a single dish that was the size of all the combined radius of the telescopes around the world.
These images are several orders of magnitude more clear than those obtained by even the Hubble space telescope.
Keywords: Futuris, antenna dishes, global radio astronomy network, very long baseline interferometry, evlbi, Hubble space telescope, Westerbork Synthesis Radio Telescope
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