Below is the optical image of the “Antennae Galaxies” colliding, as taken by the Hubble Space Telescope. Overlaid below is a radio-image taken by ALMA. In the ‘image’ in this case, each pixel is actually represents a spectrum of frequencies across the electromagnetic radio spectrum: the ‘image’ is actually a data-cube. We have transformed this…
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Adventures in acoustic cosmology
ROYAL ASTRONOMICAL SOCIETY PRESS RELEASE RAS PR 17/30 (NAM 13) 3rd July 2017 A project that explores whether there is a musical equivalent to the curvature of spacetime will be presented on Thursday 6th July by Gavin Starks at the National Astronomy Meeting at the University of Hull. Starks, who has a background in radio…