Magnetic Fields (image) Instituto de Astrofísica de Canarias (IAC) Share Print E-Mail Caption Magnetic fields control the collapse of the molecular clouds in the nuclear ring of the galaxy NGC 1097. As a result, formation of massive stars is suppressed in zones of strong magnetic field (contours). Credit Gabriel Pérez, SMM (IAC) 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.