Astronaut Candidate Christina Hammock

NASA

Aug 19, 2013

Image Article

Portrait of new astronaut candidate Christina M. Hammock.

JSC2013-E-075622 (14 Aug. 2013) — Portrait of new astronaut candidate Christina M. Hammock. Photo credit: NASA

Suggested Searches

Featured

What’s Up: May 2025 Skywatching Tips from NASA

Hubble Spies a Spiral So Inclined

NASA Supports Artemis Accords Signatories Advancing Exploration

Missions

Humans in Space

Earth

The Solar System

The Universe

Science

Aeronautics

Technology

Learning Resources

About NASA

NASA en Español

News & Events

Multimedia

Featured

Sols 4547-4548: Taking in the View After a Long Drive

NASA’s Dragonfly Mission Sets Sights on Titan’s Mysteries

Hubble Spies a Spiral So Inclined

Highlights

Station Nation: Meet Megan Harvey, Utilization Flight Lead and Capsule Communicator

NASA’s Artemis III Core Stage Receives Thermal Protection Coating

Spot the Station Frequently Asked Questions

Highlights

NASA Satellite Images Could Provide Early Volcano Warnings

NASA, French SWOT Satellite Offers Big View of Small Ocean Features

What NASA Is Learning from the Biggest Geomagnetic Storm in 20 Years

Highlights

Percolating Clues: NASA Models New Way to Build Planetary Cores

NASA’s Dragonfly Mission Sets Sights on Titan’s Mysteries

Devil’s in Details in Selfie Taken by NASA’s Mars Perseverance Rover

Featured

Hubble Spies a Spiral So Inclined

How Big is Space? We Asked a NASA Expert: Episode: 61

Discovery Alert: A Possible Perpendicular Planet

Highlights

Hubble Spies a Spiral So Inclined

Percolating Clues: NASA Models New Way to Build Planetary Cores

NASA’s Dragonfly Mission Sets Sights on Titan’s Mysteries

Highlights

NASA’s Moffett Federal Airfield Hosts Boeing Digital Taxi Tests

Winners Announced in NASA’s 2025 Gateways to Blue Skies Competition

NASA X-59’s Latest Testing Milestone: Simulating Flight from the Ground

Highlights

NASA Enables Construction Technology for Moon and Mars Exploration

Meet Four NASA Inventors Improving Life on Earth and Beyond

Key Portion of NASA’s Roman Space Telescope Clears Thermal Vacuum Test

Featured

Student Coders Bring Novel Approaches to NASA Challenge

Featured

Space Cloud Watch Needs Your Photos of Night-Shining Clouds

Hubble Spies a Spiral So Inclined

Percolating Clues: NASA Models New Way to Build Planetary Cores

Highlights

Las carreras en la NASA despegan con las pasantías

El X-59 de la NASA completa las pruebas electromagnéticas

Mejores imágenes de Ciencia en la estación espacial 2024

Astronaut Candidate Christina Hammock

NASA