Radioisotope Power Systems
GPHS Module (Display model)
A display model of the GPHS module.
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
A picture of Neptune was produced images taken by the Voyager 2 spacecraft.
Neptune Full Disk View
A color image of Arrakoth taken by the New Horizons spacecraft.
Enhanced-Color Composite Image of Kuiper Belt Object Arrokoth (2014 MU69)
Launched on June 29, 1961, Transit IV-A was the first satellite to carry a radioisotope power system into space.
RPS 60th: Transit IV-A Shareable
A mosaic was created from two high-resolution images that were captured by the narrow-angle camera when NASA's Cassini spacecraft flew past Enceladus
Geysers of Enceladus
This picture of asteroid Gaspra is a mosaic of two images taken by the Galileo spacecraft in 1991, during the first close approach of a spacecraft to an asteroid.
First Close Approach to an Asteroid
Neptune's largest moon Triton, is seen in this mosaic of images captured by Voyager 2 during the only visit thus far to the Neptune system.
Voyager's view of Triton
Scientist for a Day is an essay contest that challenges students in grades 5-12 to think like scientists.
Scientist for a Day Flyer - 2020-21
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
Graphite Impact Shell (GIS).
Graphite Impact Shell (GIS)
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 enhanced color picture shows asteroid Ida and its moon, Dactyl.
Ida and Dactyl in Enhanced Color
Covered in a thick global haze, Saturn's moon Titan is a major source of interest for planetary scientists.
Seeing the surface of Titan
The electricity for NASA's Mars 2020 rover is provided by a power system called a Multi-Mission Radioisotope Thermoelectric Generator, or MMRTG. The MMRTG will be inserted into the aft end of the r...
Power for Mars 2020
This is the first 360-degree panorama taken by Mastcam-Z, a zoomable pair of cameras aboard NASA’s Perseverance Mars rover. The panorama was stitched together on Earth from 142 individual images ta...
Mastcam-Z's First 360-Degree Panorama
An illustration of NASA's Pioneer 11 flying by Jupiter.
Pioneer 11 at Jupiter (Illustration)
NASA's newest arrival on Mars, Perseverance will be collecting rock samples that a future mission will return to Earth.
RPS 60th: Mars Perseverance Rover Shareable
MMRTG Dragonfly Mission: An illustration of the planned Dragonfly mission.
Illustration of the Planned Dragonfly Mission
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
Astronaut Alan Bean prepares the RTG to be fueled.
Fueling the RTG on the Moon (image 1)
The Cassini Division within Saturn's rings is visible through backyard telescopes on Earth as a dark, seemingly empty region. The division actually contains a great deal of structure.
Graceful Lanes of Ice
A color view is a Viking 2 Lander close-up of the surface of Mars. The metal cylinder at right is the shroud (or cover) for the surface
Viking Lander Trenches
An illustration of Cassini at Saturn.
Illustration of Cassini at Saturn
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
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
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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