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E-THEMIS

A 3D model of the Europa Thermal Emission Imaging System (E-THEMIS), an imager on Europa Clipper. Learn more about E-THEMIS

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The top image is a very high resolution view of the Conamara Chaos region on Jupiter's moon Europa, showing an area where icy plates have been broken apart and moved around laterally. The bottom im...
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two black an white images, on showing icy terrain and another showing a city
Very High Resolution Image of Icy Cliffs on Europa and Similar Scales on Earth (Providence, RI)
Engineers install 2-foot-wide reaction wheels onto the main body of NASA’s Europa Clipper spacecraft at the agency’s Jet Propulsion Laboratory. The orbiter is in its assembly, test, and launch oper...
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Two engineers in white body coveralls, gloves, and masks are seen framing the image, with one engineer facing towards the camera on the left and one facing away from the camera on the right. They are seen holding a black, two-foot-wide circular reaction wheel, which is in the center of the image. The engineers are installing the reaction wheel to the main body of the spacecraft, which is visible looming above the engineers and the reaction wheel. To the back right of the reaction wheel that is being installed, another reaction wheel that has already been installed is visible.
NASA's Europa Clipper Gets Its Reaction Wheels
This artist's concept shows a simulated view from the surface of Jupiter's moon Europa. Europa's potentially rough, icy surface, tinged with reddish areas that scientists hope to learn more about, ...
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field of icy boulders with jupiter rising over the horizon
Simulated View from Europa's Surface (Artist's Concept)
An engineer configures the sensor head for Europa Clipper’s dust analyzer for magnetics testing.  
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The SUDA sensor head rests upon a table in a clean room. The sensor head is gold in color, shaped slightly like a drum on its side. It is attached a device that lifts the sensor head from the table, and is seen slightly to the ride of center in the image. An engineer wearing white full body coveralls, light blue gloves, glasses, and a mask stands behind the sensor head and the table it is on, looking down at the sensor head. Two additional engineers stand in the distance on either side of the sensor head, both wearing full white body coveralls, masks, and light blue gloves.
Configuring Europa Clipper's Dust Analyzer for Magnetics Testing
NASA hosted a Science Chat May 14 to discuss the latest analysis of Jupiter’s moon Europa and its status as one of the most promising places in the solar system to search for life. 
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NASA hosted a Science Chat May 14 to discuss the latest analysis of Jupiter’s moon Europa
NASA Hosts Live Science Chat about Europa Findings
Europa Clipper’s plasma instrument was tested in this calibration chamber at the Johns Hopkins Applied Physics Laboratory.
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Europa Clipper’s plasma instrument was tested in this calibration chamber at the Johns Hopkins Applied Physics Laboratory.
Preparing NASA's Europa Clipper's Plasma Instrument
A plasma instrument sensor assembly loaded into a thermal vacuum chamber.
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A plasma instrument sensor assembly loaded into a thermal vacuum chamber.
Plasma Instrument Thermal Testing
A test model of the boom that will be used for the magnetometer aboard NASA’s Europa Clipper spacecraft is readied in NASA’s Jet Propulsion Laboratory in Southern California.
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A test model of the boom that will be used for the magnetometer aboard NASA's Europa Clipper spacecraft is readied in NASA's Jet Propulsion Laboratory in Southern California.
Europa Clipper Magnetometer (ECM) Boom
Europa Clipper’s surface dust analyzer instrument was delivered to JPL in September 2022.
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Two engineers in full white body coveralls are seen lowering Europa Clipper’s surface dust analyzer onto a silver workbench in a cleanroom. Another engineer standing to the left, with a hand resting on the silver workbench. A fourth engineer is seen observing in the distance. The instrument is gold colored and about the size of a drum, resting on its side. The instrument is resting upon a silver workbench in the cleanroom.
Europa Clipper's Dust Analyzer Delivered to JPL
These images of the surface of the Jovian moon Europa, taken by NASA's Galileo spacecraft, focus on a "region of interest" on the icy moon.
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Location of the erupting plumes, observed by NASA's Hubble Telescope
Europa's Plumes Located near 'Warm Spot' on Europa
Europa Clipper's propulsion module rotates on a stand in the cleanroom at the Johns Hopkins Applied Physics Laboratory.
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video of Europa Clipper's propulsion module rotating in a cleanroom
Europa Clipper Propulsion Module
This image shows two views of the trailing hemisphere of Jupiter's ice-covered satellite, Europa.
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two full-disc views
Natural and False Color Views of Europa
Engineers and technicians attach the vault plate to NASA's Europa Clipper spacecraft on May 3, 2024.
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A worker dressed in white protective clothing uses an orange-handled screwdriver to turn a screw attaching the triangular-shaped silver-colored vault plate to Europa Clipper. Wires and other parts of the spacecraft are visible. Another worker dressed in white and blue head cover looks on.
Europa Clipper Vault Plate Screw Turned
This high resolution view of the Conamara Chaos region on Jupiter's icy moon, Europa, reveals craters which range in size from about 98 feet (30 meters) to slightly over a quarter of a mile (over 4...
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black and white view of craters and other terrain features
Small Craters on Europa
A 3D-printed mock-up of optical head and shielding for Europa Clipper’s stellar reference unit (or star tracker) going through contamination control and planetary protection sampling prior to enter...
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A 3D-printed mock-up of optical head and shielding for Europa Clipper’s stellar reference unit (or star tracker) going through contamination control and planetary protection sampling prior to entering a clean room at NASA’s Jet Propulsion Laboratory.
3D-Printed Star Tracker Mock-Up
New Horizons took this image of the icy moon Europa rising above Jupiter's cloud tops.
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black and white view of half-illuminated moon over curving horizon of large planet
Europa Rising
NASA’s Europa Clipper, with all of its instruments installed, is visible in the clean room of High Bay 1. 
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NASA’s Europa Clipper, with all of its instruments installed, is visible in the clean room of High Bay 1 at the agency’s Jet Propulsion Laboratory on Jan. 19.
Europa Clipper Electromagnetic Testing
The animation reveals how the Europa Clipper spacecraft’s own magnetic sources distort the ambient magnetic field near Europa.
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animation of the complex magnetic fields of the Europa Clipper spacecraft
Europa Clipper Spacecraft Distortion of the Ambient Magnetic Field
This mosaic of Europa, the smallest Galilean satellite, was taken by Voyager 2. This face of Europa is centered at about the 300 degree meridian. 
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crescent view of Europa in color
Europa Crescent
This montage shows the best views of Jupiter's four large and diverse "Galilean" satellites as seen by the Long Range Reconnaissance Imager (LORRI) on the New Horizons spacecraft during its flyby o...
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four black and white views of moons in gibbous phase
Jupiter's Moons: Family Portrait
Engineers and technicians in a clean room at NASA’s Jet Propulsion Laboratory display the thick-walled aluminum vault they helped build for the Europa Clipper spacecraft. The vault will protect the...
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Engineers and technicians in a clean room at NASA's Jet Propulsion Laboratory in Southern California stand between the thick-walled aluminum vault and its duplicate that they helped build for the agency's Europa Clipper spacecraft.
Complete: Europa Clipper Vault and Its Twin
Build your own version of Europa Clipper, learning how each part of the spacecraft fits together as you go. 
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Simple paper model of Europa Clipper available for download.
Europa Clipper Paper Model
The propulsion module harness, installed onto a bake-out fixture, is rolled up to the propulsion module in preparation for transfer and installation. The harness is the cabling that connects all of...
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people working on the spacecraft in the clean room
Europa Clipper Propulsion Module
This color composite view combines violet, green, and infrared images of Jupiter's intriguing moon, Europa, for a view of the moon in natural color (left) and in enhanced color designed to bring ou...
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two color, full-disc views of europa with different colors
Europa Global Views in Natural and Enhanced Colors
Europa Clipper's propulsion module is offloaded from its transportation trailer following arrival at the Johns Hopkins Applied Physics Laboratory.
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Europa Clipper Propulsion Module arrival at the Johns Hopkins Applied Physics Laboratory
Europa Clipper Propulsion Module