In this image, one of the radiation detectors for the Radi-N2 experiment floats in the space station. This device will help researchers explore the radition risk to humans in space. via NASA http://www.nasa.gov/image-feature/defining-radiation-risk-to-astronauts
More Stories
OSIRIS-REx Rehearsal in the Utah Desert
54 Years Ago: Apollo 11 Crew Walks on the Moon
Starling Takes Flight