FRB Delay ASKAP (IMAGE) International Centre for Radio Astronomy Research Caption CSIRO's ASKAP measures the delay between the wavelengths of the FRB, allowing astronomers to calculate the density of the missing matter. Credit ICRAR and CSIRO/Alex Cherney Usage Restrictions With credit please, thank you. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.