European Space Agency astronaut Alexander Gerst

JSC2013-E-069169 (3 June 2013) --- Official portrait of European Space Agency astronaut Alexander Gerst in an Extravehicular Mobility Unit (EMU) spacesuit. Photo credit: NASA

Image Credit: NASA/Robert Markowitz

Download

Suggested Searches

Featured

NASA Successfully Acquires GPS Signals on Moon

NASA’s Hubble Finds Kuiper Belt Duo May Be Trio

What’s Up: March 2025 Skywatching Tips from NASA

Missions

Humans in Space

Earth & Climate

The Solar System

The Universe

Science

Aeronautics

Technology

Learning Resources

About NASA

NASA en Español

News & Events

Multimedia

Featured

NASA’s Webb Exposes Complex Atmosphere of Starless Super-Jupiter

NASA Successfully Acquires GPS Signals on Moon

NASA’s Hubble Finds Kuiper Belt Duo May Be Trio

Highlights

NASA’s SpaceX Crew-10 to Explore Deep Space Exercise, Health

NASA Prepares Gateway Lunar Space Station for Journey to Moon

NASA Marks Artemis Progress With Gateway Lunar Space Station

Highlights

2025 Aviation Weather Mission: Civil Air Patrol Cadets Help Scientists Study the Atmosphere with GLOBE Clouds

An Ocean in Motion: NASA’s Mesmerizing View of Earth’s Underwater Highways

Going With the Flow: Visualizing Ocean Currents with ECCO

Highlights

The Next Full Moon is the Worm Moon

March’s Night Sky Notes: Messier Madness

NASA’s Hubble Finds Kuiper Belt Duo May Be Trio

Featured

NASA’s Webb Exposes Complex Atmosphere of Starless Super-Jupiter

Hubble Captures New View of Colorful Veil

NASA’s Hubble Provides Bird’s-Eye View of Andromeda Galaxy’s Ecosystem

Highlights

Foundations

How NASA is Using Virtual Reality to Prepare for Science on Moon

2025 Aviation Weather Mission: Civil Air Patrol Cadets Help Scientists Study the Atmosphere with GLOBE Clouds

Highlights

NASA Marks 110 Years Since Founding of Predecessor Organization

The NACA: Launching the Future of Flight

NASA’s X-59 Completes Electromagnetic Testing

Highlights

What is a NASA Spinoff? We Asked a NASA Expert: Episode 53

NASA Successfully Acquires GPS Signals on Moon

Research Opportunities in Space and Earth Science (ROSES)-2025 to be Released Soon.

Featured

2025 Aviation Weather Mission: Civil Air Patrol Cadets Help Scientists Study the Atmosphere with GLOBE Clouds

University High Knows the Answers at NASA JPL Regional Science Bowl

Research Opportunities in Space and Earth Science (ROSES)-2025 to be Released Soon.

Featured

NASA Uses New Technology to Understand California Wildfires

What’s Up: March 2025 Skywatching Tips from NASA

NASA Marks 110 Years Since Founding of Predecessor Organization

Highlights

Mejores imágenes de Ciencia en la estación espacial 2024

La NASA identifica causa de pérdida de material del escudo térmico de Orion de Artemis I

Preguntas frecuentes: La verdadera historia del cuidado de la salud de los astronautas en el espacio

European Space Agency astronaut Alexander Gerst

Tags