Radioisotope Power Systems
GPHS Module (Display model)
A display model of the GPHS module.
Voyager 1 took this photo of Jupiter and two of its satellites (Io at left and Europa at right) as it approached its flyby encounter with the planet in 1979.
Jupiter, Io and Europa
This color image, acquired by the Galileo spacecraft in 1997 on its ninth orbit around Jupiter, shows two volcanic plumes erupting on Io.
Active Volcanic Plumes on Io
DRPS illustration of Turbo-Brayton Convertor (TBC) system from Creare.
Turbo-Brayton Convertor System (illustration)
Graphite Impact Shell (GIS).
Graphite Impact Shell (GIS)
-- Updated as of March 2021 Radioisotope Power Systems (RPS) have provided the power to explore, discover, and understand our solar system and beyond. This graphic shows the type and destinations ...
Flyby, Orbit, Rove, and Land
NASA's Perseverance Mars rover took this selfie over a rock nicknamed "Rochette," on September 10, 2021, the 198th Martian day, or sol of the mission.
Perseverance's Selfie at Rochette
Astronaut Alan Bean prepares the RTG to be fueled.
Fueling the RTG on the Moon (image 2)
The spinning vortex of Saturn's north polar storm resembles a deep red rose of giant proportions surrounded by green foliage in this false-color image from NASA's Cassini spacecraft.
Saturn: The Rose
Illustration of Cassini flyng by the planet Venus.
Cassini Fly Past Venus - Illustration
An illustration of the planned Dragonfly spacecraft.
Artist Concept of the planned Dragonfly spacecraft
The Multi-Mission Radioisotope Thermoelectric Generator for NASA'S Mars 2020 Perseverance rover is shown during a fit check with the rover at NASA's Kennedy Space Center in Florida on April 16-17, ...
Rover Power System
This montage shows a series of views from the European Space Agency's Huygens probe at four different altitudes as it descended to the surface of Saturn's moon Titan in 2005.
Huygens's Descent to Titan
Voyager 2 was launched on August 20, 1977, from the NASA Kennedy Space Center at Cape Canaveral in Florida, propelled into space on a Titan/Centaur rocket.
Voyager 2 Launch
This marvelous panoramic view was created by combining a total of 165 images taken by the Cassini wide-angle camera over nearly three hours on Sept. 15, 2006.
In Saturn's Shadow
This view of Jupiter's moon Io was captured by NASA's Galileo spacecraft.
Changing Surface of Io
Dragonfly is a NASA rotorcraft lander mission that will explore the chemistry and habitability of Saturn's largest moon, Titan.
RPS 60th: Dragonfly Mission to Titan Shareable
This illustration lists RHU-heated and RTG-powered spacecraft and the many moons and planets they have visited.
60th Anniversary: NASA's RHU-Heated and RTG-Powered Spacecraft
At equinox, the shadows of the planet's expansive rings are compressed into a single, narrow band cast onto the planet as seen in this mosaic.
Changing Seasons on Saturn
This image is the first panoramic view of the Martian surface, taken by the Viking 1 lander.
First Mars Panorama
Thermal energy researchers Wayne Wong (left) and Scott Wilson, inspect a Stirling power convertor that has been running continuously for 14-years.
Inspecting a Stirling Power Convertor
This series of images from NASA's Cassini spacecraft shows the development of the largest storm seen on the planet since 1990.
Chronicling Saturn's Northern Storm
This self-portrait of NASA's Mars rover Curiosity combines dozens of exposures taken by the rover's Mars Hand Lens Imager (MAHLI) during the 177th Martian day, or sol, of Curiosity's work on Mars (...
Curiosity Rover Self-Portrait
Astronaut Alan Bean prepares the RTG to be fueled.
Fueling the RTG on the Moon (image 1)
This high-resolution color photo of the surface of Mars was taken by Viking Lander 2 at its Utopia Planitia landing site on May 18, 1979.
An American Superconductor free-piston Stirling Convertor.
American Superconductor Free-Piston Stirling Convertor
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The rocks Perseverance has analyzed for sample collection are helping the team better understand a past marked by volcanic activity and water.
NASA's Perseverance Rover Collects Puzzle Pieces of Mars' History
Six decades after the launch of the first nuclear-powered space mission, Transit IV-A, NASA is embarking on a bold future of human exploration and scientific discovery.
After 60 Years, Nuclear Power for Spaceflight is Still Tried and True
This Sources Sought Notice seeks capabilities, innovative ideas for new system development, fiscal estimates, and potential collaboration that could lead to an industry/Government contract for development of a Dynamic Radioisotope Power System (DRPS) for use on the moon with desired extensibility to other solar system destinations.
Dynamic Radioisotope Power Systems Sources Sought Notice has been Released
Humanity's first and (so far) last visit to the outermost giant planet in our solar system was a monumental event for scientists and the public alike.
Power for Decades: Radioisotope Generator Helps Voyager 2 Keep Exploring 30 Years After Neptune Flyby
Two NASA scientists studying next-generation thermoelectric materials and converters for applications to radioisotope power systems have been awarded the 2019 Outstanding Achievement Award by the International Thermoelectric Society for their decades-long leadership and contributions to the field.
International Thermoelectric Society Honors Two NASA Scientists for Contributions to Advancements in Radioisotope Power Technology
NASA gives the go-ahead to fuel the Mars 2020 rover's Multi-Mission Radioisotope Thermoelectric Generator, which will power rover and help keep it warm while exploring Mars.
Fueling of NASA's Mars 2020 Rover Power System Begins