TW Hydrae (image) Max-Planck-Gesellschaft Caption The birthplace of planets: New measurements that Thomas Henning from the Max Planck Institute for Astronomy in Heidelberg assisted in carrying out have resulted in a greater mass for the disk of gas and dust surrounding the young star TW Hydrae than previously assumed. The illustration depicts an artist's conception of the disk. Credit Axel M. Quetz (MPIA) Usage Restrictions None 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.