Active Comet Core (IMAGE) Max-Planck-Gesellschaft Caption This is a look at the comet Tempel 1 through a telescope. The active regions are responsible for the bright jets (left). With the help of their computer simulation the MPS-scientists can reconstruct the image seen from Earth (right). Credit Image: Instituto de Astrofisica de Andalucia (Luisa Maria Lara)/Max Planck Institute for Solar System Research 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.