ISS Expedition 41 Soyuz TMA-13M Landing | NASA

Alexander Gerst after landing | European Space Agency

Astronaut: A Journey to Space

Rosetta science and countdown to comet landing | ESA Hangout

Rosetta: Landing on a Comet | European Space Agency

Rosetta: Studying Comets | European Space Agency

Spiral Galaxy ESO 137-001: Wide-field view

Expedition 41 Crew Successfully Departs the International Space Station and heads back to Earth

Expedition 41 Crew Hands Over Reins of ISS, Heading Home

Zooming in on Spiral Galaxy ESO 137-001

Giant Gas Stream ESO 137-001 | NASA Hubble & Chandra Image

MUSE View #2 of the ram-pressure stripped galaxy ESO 137-001

MUSE View #1 of the ram-pressure stripped galaxy ESO 137-001

Alexander Gerst: "Vielen Dank!" | International Space Station

Alexander Gerst: "Thanks to all" | International Space Station

Crystal gaze