The GLEAM Survey (image) International Centre for Radio Astronomy Research Share Print E-Mail Caption The GLEAM view of the center of the Milky Way is in radio color. Red indicates the lowest frequencies, green indicates the middle frequencies and blue the highest frequencies. Each dot is a galaxy, with around 300,000 radio galaxies observed as part of the GLEAM survey. Credit Credit: Natasha Hurley-Walker (Curtin / ICRAR) and the GLEAM Team. Usage Restrictions Attribution 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.