Journey to Space in a Vacuum Chamber

Supporting the testing of electric propulsion and power systems, VF-5 has the highest pumping speed of any electric propulsion test facility in the world. via NASA http://ift.tt/1S6QzK1
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Mount St. Helens at 35

On May 18, 1980, Mount St. Helens gave way to a cataclysmic flank collapse, avalanche, and explosion that killed 57 people and displaced many others. The event dramatically reshaped the volcano and surrounding land in southwest Washington. via NASA http://ift.tt/1df1mlF

Green Aviation Project Tests Shape Changing Wing Flaps

A NASA F-15D flies chase for the G-III Adaptive Compliant Trailing Edge (ACTE) project. The ACTE experimental flight research project is a joint effort between NASA and the U.S. Air Force Research Laboratory to determine if advanced flexible trailing-edge wing flaps can both improve aircraft aerodynamic efficiency and reduce airport-area noise. via NASA http://ift.tt/1AZlddP

May 13, 1992, Record-Setting Spacewalk on Shuttle Endeavour’s First Mission

On May 13, 1992, following the successful capture of the Intelsat VI satellite, three astronauts continue moving the 4.5 ton communications satellite into the space shuttle Endeavour’s cargo bay. The sections of Earth which form the backdrop for the scene are blanketed with thousands of square miles of clouds. via NASA http://ift.tt/1F7sPi5

Early Morning Sunrise Over the Grand Canyon

From the International Space Station, NASA astronaut Terry Virts took this photograph of an early morning sunrise over the Grand Canyon and posted it to social media on May 10, 2015. Because the station completes each trip around the globe in about 92 minutes, the crew experiences 16 sunrises and sunsets each day. via NASA http://ift.tt/1K4phBN