~~~Science Images Of The Week~~~

	This picture of the lunar surface shows the trail left by a rock that rolled into a crater.  The image was taken by the Lunar Reconnaissance Orbiter and picked up by stargazer Phil Plait.

	A model swallowtail butterfly that can fly just like the real thing has been created by scientists from Harvard university and Tokyo university. It proves they achieve forward flight with simple flapping motions.

	Michael Good (left) and Garrett Reisman look through the aft flight deck windows of space shuttle  Atlantis during the mission's third spacewalk. The shuttle is now on its way back to Earth for the final time before it is decommissioned.

	This beautiful composite image shows N49, the aftermath of a supernova explosion in the Large Magellanic Cloud. The images from Nasa's Chandra X-ray Observatory seems to show a bullet-shaped object being blown out of a debris field.

	A technician works at a Distress Alerting Satellite System (DASS) terminal at Nasa Goddard Space Flight Center. DASS is a next generation search and rescue system.

	A brown pelican soaked in oil struggles for survival on an island in Louisiana State waters.

	The ESO released this beautiful image of the nearby galaxy Messier 83 taken by the Very Large  Telescope in Chile. The picture shows the galaxy in infrared light and is one of the sharpest and most detailed pictures of Messier 83 taken from the ground.

	Part of the James Webb telescope is placed in a space environment simulator chamber to make sure it can survive the freezing -231.1C temperatures in space.