News FocusAstronomy

Tuning In the Radio Sky

Science  03 May 2002:
Vol. 296, Issue 5569, pp. 830-833
DOI: 10.1126/science.296.5569.830

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Summary

HAT CREEK RADIO OBSERVATORY, CALIFORNIA-- The world's largest telescope may rise next decade with a radical new design: many receivers linked by cheap electronics. The Square Kilometer Array (SKA) would gather radio waves with a combined detecting area of a full square kilometer, making it 100 times more sensitive than any existing array. SKA would expose the now-invisible era when hydrogen first clumped together, tracing the "cosmic web" of dark matter that underlies all structure in the universe.

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