Hubble Peers into the Most Crowded Place in the Milky Way

This NASA/ESA Hubble Space Telescope image presents the Arches Cluster, the densest known star cluster in the Milky Way. via NASA http://ift.tt/1FHM6qV
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Parachute Testing for NASA’s InSight Mission

This parachute testing for NASA’s InSight mission to Mars was conducted inside the world’s largest wind tunnel, at NASA Ames Research Center, Moffett Field, California, in February 2015. via NASA http://ift.tt/1dzEQnH

View From an F-15D

NASA pilot Jim Less and photographer Jim Ross pull their F-15D #897 aircraft away from a KC-135 refueling tanker. NASA is supporting the Edwards Air Force Base F-15 program with safety and photo chase expertise. via NASA http://ift.tt/1AtUvPM

Europa’s Jupiter-Facing Hemisphere

This 12-frame mosaic provides the highest resolution view ever obtained of the side of Jupiter’s moon Europa that faces the giant planet. It was obtained on Nov. 25, 1999 by the camera onboard the Galileo spacecraft, a past NASA mission to Jupiter and its moons which ended in 2003. via NASA http://ift.tt/1dv2LVx

Coronal Loops Over a Sunspot Group

The Atmospheric Imaging Assembly (AIA) instrument on NASA’s Solar Dynamics Observatory images the solar atmosphere in multiple wavelengths to link changes in the surface to interior changes. When AIA images are sharpened a bit, such as this AIA 171Å channel image, the magnetic field can be readily visualized through the bright, thin strands that ar via NASA http://ift.tt/1Q1m9oI

SpinSat Investigation Tests New Technology, Returns Data

Equipment and data from the SpinSat investigation returns to Earth today, May 21, 2015, with splashdown of the sixth SpaceX cargo resupply mission to the International Space Station. This Nov. 28, 2014 photograph by NASA astronaut Terry Virts captures the predeploy of SpinSat, which was launched into orbit from the station. via NASA http://ift.tt/1KmpTCL