An All-Sky Map Showing Neutral Hydrogen Gas Clouds (image) International Centre for Radio Astronomy Research Share Print E-Mail Caption An all-sky map showing the location and column density of neutral hydrogen gas belonging to the high-velocity clouds of the Milky Way and two neighbouring galaxies, the Large and Small Magellanic Clouds. Credit Credit: ICRAR. Usage Restrictions None Share Print E-Mail 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.