Three CubeSats with Earth’s limb and thin atmosphere in the background, is seen shortly after being ejected from a small satellite deployer outside of the Japanese Kibo laboratory module.

The trio are part of a subset CubeSats released during the week to monitor different gaseous molecules and electrical properties of the Earth’s thermosphere to better understand space weather and its long term trends.

iss051e050137 (May 26, 2017) larger image