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Back to the Beginning in Cosmology and Experimental Radio Astronomy

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Fifth Hewish Lecture

This is the fifth of a lecture series established to honour the outstanding contribution of Antony Hewish to the development of radio astronomy.

The physicists who founded radio astronomy carried out fundamental experiments with modest instruments that led to the discoveries of the cosmological evolution of radio sources, quasars, the microwave background, and pulsars. This tradition has continued, especially in the microwave background, where small groups still do fundamental experiments with modest instruments. The development of this field will be described up to the latest results of the Planck satellite and those of the BICEP2 experiment, which if confirmed push the cosmic clock back to 10-38 seconds after the Big Bang; and the future of experimental radio astronomy in the era of megaprojects will be discussed in the light of the current renaissance in low frequency experimental radio astronomy.

This talk is part of the Cavendish Astrophysics Seminars series.

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