Astronomy and Astrophysics – Astrophysics – Instrumentation and Methods for Astrophysics
Scientific paper
2009-12-22
Astronomy and Astrophysics
Astrophysics
Instrumentation and Methods for Astrophysics
Paper presented at Special Session 5, IAU General Assembly XXVII, Rio de Janerio, August 11, 2009. To be published in Proceedi
Scientific paper
The discovery of cosmic radio emission by Karl Jansky in the course of searching for the source of interference to telephone communications and the instrumental advances which followed, have led to a series of new paradigm changing astronomical discoveries. These discoveries, which to a large extent define much of modern astrophysical research were the result of the right people being in the right place at the right time using powerful new instruments, which in many cases they had designed and built. They were not the result of trying to test any particular theoretical model or trying to answer previously posed questions, but they opened up whole new areas of exploration and discovery. Rather many important discoveries came from military or communications research; others while looking for something else; and yet others from just looking. Traditionally, the designers of big telescopes invariably did not predict what the telescopes would ultimately be known for. The place in history of the next generation of telescopes will not likely be found in the science case created to justify their construction, but in the unexpected new phenomena, new theories, and new ideas which will emerge from these discoveries. It is important that those who are in a position to filter research proposals and plans not dismiss as butterfly collecting, investigations which explore new areas without having predefined the result they are looking for. Progress must also allow for new discoveries, as well as for the explanation of old discoveries. New telescopes need to be designed with the flexibility to make new discoveries which will invariably raise new questions and new problems.
Cordes James M.
Ekers Ron D.
Kellermann Kenneth I.
Lazio Joe
Wilkinson Peter
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