Radioisotope Power Systems
Non-NASA RPS Missions Fleet Chart
Non-NASA RPS Missions Fleet Chart
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
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
Next Gen RTG Next Gen RTG - illustration
Next Gen RTG
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
The twin Voyager 1 and 2 spacecraft are exploring where nothing from Earth has flown before.
RPS 60th: Voyager Shareable
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 image shows the Multi-Mission Radioisotope Thermoelectric Generator for NASA'S Mars 2020 Perseverance rover during a fit check at the Kennedy Space Center in Florida on April 16-17, 2020.
Testing Rover Power System
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
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
There are no gas stations or mechanics in deep space. So, if you want the power to perform science in the deep, dark frontiers of our solar system, you must have an engine that is reliable for the...
Testing Maintenance-Free Engines That Power Science in Deep Space
Humanity's most sophisticated rover launched at 7:50 a.m. EDT on July 30th on a United Launch Alliance Atlas V rocket from Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida.
Mars Perseverance Launches
This logo was created to celebrate the first 60 years of space exploration made possible by Radioisotope Power Systems, RPS.
RPS 60th Anniversary Logo
NASA's Cassini spacecraft has delivered a glorious view of Saturn, taken while the spacecraft was in Saturn's shadow. The cameras were turned toward Saturn and the sun so that the planet and rings ...
A Splendor Seldom Seen
A montage of New Horizons images of Jupiter and its volcanic moon Io, taken during the spacecraft's Jupiter flyby in early 2007.
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
A stack of GPHS units ready for insertion on F2, the MMRTG that would power the Curiosity Rover.
GPHS Units Ready for Insertion
Graphite Impact Shell (GIS).
Graphite Impact Shell (GIS)
This image shows the closest face-on view of Neptune's Great Dark Spot captured by the Voyager 2 spacecraft during the only visit to the most distant of the eight major planets in our solar system.
Neptune's Great Dark Spot
Astronaut Alan Bean prepares the RTG to be fueled.
Fueling the RTG on the Moon (image 2)
This image of the parachute that helped deliver NASA’s Perseverance Mars rover to the Martian surface was taken by the rover’s Mastcam-Z instrument on April 6, 2022, the 401st Martian day, or sol, ...
Perseverance Views Its Parachute
MMRTG Dragonfly Mission: An illustration of the planned Dragonfly mission.
Illustration of the Planned Dragonfly Mission
This image is the first panoramic view of the Martian surface, taken by the Viking 1 lander.
First Mars Panorama
A lightweight radioisotope heater unit
Lightweight Radioisotope Heater Unit
Asteroid Ida and its moon Dactyl. Scientists found the moon - the first discovered orbiting and asteroid - when the Galileo spacecraft flew past Ida in 1993.
Ida and Dactyl
An illustration of the planned Dragonfly spacecraft.
Artist Concept of the planned Dragonfly spacecraft
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