Search

NASA+

Search

Suggested Searches

Climate Change
Artemis
Expedition 64
Mars perseverance
SpaceX Crew-2
International Space Station
View All Topics A-Z

Home
Missions
Humans in Space
Earth
The Solar System
The Universe
Science
Aeronautics
Technology
Learning Resources
About NASA
Español

News & Events
Multimedia
NASA+

Featured

Two people stand side by side on a sandy hill, or dune. The person on the left is standing in a blue top, while the person on the right in a gray top is holding a controller. Above and to the left of their heads is a rotorcraft flying above the dune. The background of this image is more sandy dunes.

NASA Tests Drones in Death Valley, Preps for Martian Sands and Skies

article1 day ago

Sugars, ‘Gum,’ Stardust Found in NASA’s Asteroid Bennu Samples

article1 day ago

Core portion of Roman observatory exiting test chamber

NASA’s Roman Observatory Passes Spate of Key Tests

article1 week ago

Missions

Search All NASA Missions
A to Z List of Missions
Upcoming Launches and Landings
Spaceships and Rockets
Communicating with Missions
Artemis
James Webb Space Telescope
Hubble Space Telescope
International Space Station
OSIRIS-Rex

Humans in Space

Why Go to Space
Astronauts
Commercial Space
Destinations
Spaceships and Rockets
Living in Space

Earth

Explore Earth Science
Climate Change
Earth, Our Planet
Earth Science in Action
Earth Multimedia
Earth Data
Earth Science Researchers

The Solar System

The Sun
Mercury
Venus
Earth
The Moon
Mars
Jupiter
Saturn
Uranus
Neptune
Pluto & Dwarf Planets
Asteroids, Comets & Meteors
The Kuiper Belt
The Oort Cloud
Skywatching

The Universe

Exoplanets
The Search for Life in the Universe
Stars
Galaxies
Black Holes
The Big Bang
Dark Energy
Dark Matter

Science

Earth Science
Planetary Science
Astrophysics & Space Science
The Sun & Heliophysics
Biological & Physical Sciences
Lunar Science
Citizen Science
Astromaterials
Aeronautics Research
Human Space Travel Research

Aeronautics

Science in the Air
NASA Aircraft
Flight Innovation
Supersonic Flight
Air Traffic Solutions
Green Aviation Tech
Drones & You

Technology

Technology Transfer & Spinoffs
Space Travel Technology
Technology Living in Space
Manufacturing and Materials
Robotics
Science Instruments
Computing

Learning Resources

For Kids and Students
For Educators
For Colleges and Universities
For Professionals
Science for Everyone
Requests for Exhibits, Artifacts, or Speakers
STEM Engagement at NASA

About NASA

NASA's Impacts
Centers and Facilities
Directorates
Organizations
People of NASA
Careers
Internships
Our History
Doing Business with NASA
Get Involved
Contact

NASA en Español

Ciencia
Aeronáutica
Ciencias Terrestres
Sistema Solar
Universo

News & Events

News Releases
Recently Published
Video Series on NASA+
Podcasts & Audio
Blogs
Newsletters
Social Media
Media Resources
Events
Upcoming Launches & Landings
Virtual Guest Program

Multimedia

NASA+
Images
NASA Live
NASA Apps
Podcasts
Image of the Day
e-Books
Interactives
STEM Multimedia
NASA Brand & Usage Guidelines

Featured

NASA’s Roman Observatory Passes Spate of Key Tests

NASA’s Roman Observatory Passes Spate of Key Tests

article 1 week ago

CHAPEA Crew Begins Stay Inside NASA’s Mars Habitat for Second Mission

CHAPEA Crew Begins Stay Inside NASA’s Mars Habitat for Second Mission

article 1 week ago

NASA’s 2025 Astronaut Candidates: Shaping Artemis Exploration

NASA’s 2025 Astronaut Candidates: Shaping Artemis Exploration

article 1 week ago

Highlights

NASA Astronaut Jonny Kim Advances Research Aboard Space Station

NASA Astronaut Jonny Kim Advances Research Aboard Space Station

article 19 hours ago

CHAPEA Crew Begins Stay Inside NASA’s Mars Habitat for Second Mission

CHAPEA Crew Begins Stay Inside NASA’s Mars Habitat for Second Mission

article 1 week ago

NASA’s 2025 Astronaut Candidates: Shaping Artemis Exploration

NASA’s 2025 Astronaut Candidates: Shaping Artemis Exploration

article 1 week ago

Highlights

A Glimpse of History in Benin City

A Glimpse of History in Benin City

article 3 days ago

Rings of Rock in the Sahara

Rings of Rock in the Sahara

article 6 days ago

Cranberry Country, Wisconsin

Cranberry Country, Wisconsin

article 7 days ago

Highlights

NASA Rover Detects Electric Sparks in Mars Dust Devils, Storms

NASA Rover Detects Electric Sparks in Mars Dust Devils, Storms

article 8 hours ago

NASA Tests Drones in Death Valley, Preps for Martian Sands and Skies

NASA Tests Drones in Death Valley, Preps for Martian Sands and Skies

article 1 day ago

Sugars, ‘Gum,’ Stardust Found in NASA’s Asteroid Bennu Samples

Sugars, ‘Gum,’ Stardust Found in NASA’s Asteroid Bennu Samples

article 1 day ago

Featured

Hubble Seeks Clusters in ‘Lost Galaxy’

Hubble Seeks Clusters in ‘Lost Galaxy’

article 2 weeks ago

Corrections to F.3 Exoplanets Research

Corrections to F.3 Exoplanets Research

article 2 weeks ago

NASA’s TESS Spacecraft Triples Size of Pleiades Star Cluster

NASA’s TESS Spacecraft Triples Size of Pleiades Star Cluster

article 2 weeks ago

Highlights

OVERFLOW 2.5

OVERFLOW 2.5

article 9 hours ago

OVERFLOW 2.4

OVERFLOW 2.4

article 9 hours ago

OVERFLOW CFD

OVERFLOW CFD

article 9 hours ago

Highlights

NASA’s X-59 Completes First Flight, Prepares for More Flight Testing

NASA’s X-59 Completes First Flight, Prepares for More Flight Testing

article 2 weeks ago

NASA Flights Study Cosmic Ray Effects for Air, Future Space Travelers

NASA Flights Study Cosmic Ray Effects for Air, Future Space Travelers

article 2 months ago

NASA, Partners Push Forward with Remotely Piloted Airspace Integration

NASA, Partners Push Forward with Remotely Piloted Airspace Integration

article 3 months ago

Highlights

OVERFLOW 2.5

OVERFLOW 2.5

article 9 hours ago

OVERFLOW 2.4

OVERFLOW 2.4

article 9 hours ago

OVERFLOW CFD

OVERFLOW CFD

article 9 hours ago

Featured

Join Artemis

Join Artemis

article 2 weeks ago

Featured

NASA’s Fly Foundational Robots Demo to Bolster In-Space Infrastructure

NASA’s Fly Foundational Robots Demo to Bolster In-Space Infrastructure

article 1 day ago

The Overview Effect: Astronaut Perspectives from 25 Years in Low Earth Orbit

The Overview Effect: Astronaut Perspectives from 25 Years in Low Earth Orbit

article 1 week ago

The International Space Station Marks 25 Years of Continuous Human Presence

The International Space Station Marks 25 Years of Continuous Human Presence

article 2 days ago

Highlights

Pódcast en español de la NASA estrena su tercera temporada

Pódcast en español de la NASA estrena su tercera temporada

article 5 months ago

Las carreras en la NASA despegan con las pasantías

Las carreras en la NASA despegan con las pasantías

article 7 months ago

El X-59 de la NASA completa las pruebas electromagnéticas

El X-59 de la NASA completa las pruebas electromagnéticas

article 9 months ago

Closeup of nozzle.

ACPS ENGINE

Convergent nozzle design for hydrogen-oxygen thruster (1974).

Image Credit: NASA/PAUL RIEDEL

Facebook
Pinterest
X
LinkedIn
Email

https://www.nasa.gov/image-detail/grc-1974-c-01503/

Image CreditNASA/PAUL RIEDEL

Size2680x2385px

National Aeronautics and Space Administration

NASA explores the unknown in air and space, innovates for the benefit of humanity, and inspires the world through discovery.

About NASA's Mission

Home
News & Events
Multimedia
NASA+
Missions
Humans in Space
Earth
The Solar System
The Universe
Science
Aeronautics
Technology
Learning Resources
About NASA
NASA en Español (opens in new tab)

Follow NASA

More NASA Social Accounts
NASA Newsletters

Sitemap
For Media
Privacy Policy
FOIA
No FEAR Act
Office of the IG (opens in new tab)
Budget & Annual Reports
Agency Financial Reports
Contact NASA
Accessibility

Page Last Updated:

Jun 26, 2025
Page Editor:
Responsible NASA Official:

Abigail Bowman

Was this page helpful?

Was this page helpful?

Yes

No