Josefin Larsson (IMAGE) KTH, Royal Institute of Technology Caption Josefin Larsson displays a 3D printout of the remnants of supernova SNR 0540-69.3. Credit David Callahan Usage Restrictions Credit must be given to the creator. Adaptations must be shared under the same terms. License CC BY-SA 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.