Interstellar Medium Figure 1 (IMAGE) Lomonosov Moscow State University Caption The same region of the interstellar medium as shown in Figure 1 with basins of gravitational attraction by each dense core marked with a different color. A small parcel of the interstellar medium shown as a little square can join any dense core with a probability proportional to the gravitation acceleration towards that core. Credit Igor Chilingarian, Andrei Klishin Usage Restrictions None 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.