The Pencil Nebula, a Strangely Shaped Leftover from a Vast Explosion (image) ESO Share Print E-Mail Caption The oddly shaped Pencil Nebula (NGC 2736) is pictured in this image from ESO's La Silla Observatory in Chile. This nebula is a small part of a huge remnant left over after a supernova explosion that took place about 11 000 years ago. The image was produced by the Wide Field Imager on the MPG/ESO 2.2-meter telescope at ESO's La Silla Observatory in Chile. Credit ESO 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.