It is suggested that the development of the SKA will drastically change the face of radioastronomy in the 21st Century. A FAST-style SKA would admit observations of low contrast features,and would be the best design for studying the ‘dark ages’ of the Universe (x >> 1) where sub-arcmintotal power instruments can usefully be employed. To date there have been no proposals for post-SKA,billion square-metra instruments; we speculate that mobile communication systems can beused. In the very distant future, SKA multi-beam systems could be used to collect signals reflectedby Solar system bodies such as the asteroid belt.
KeywordSKA, VLBI, radio astronomy, Internet
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