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NASA Hosts Live Discussion about Europa Findings, Potential for Life – NASA's Europa Clipper
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NASA Missions Provide New Insights into 'Ocean Worlds' in Our Solar System – NASA's Europa Clipper
NASA Missions Provide New Insights into 'Ocean Worlds' in Our Solar System – NASA's Europa Clipper

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| April 13, 2017

NASA Missions Provide New Insights into 'Ocean Worlds' in Our Solar System

Plume erupting from Europa, March 17, 2014. Credit: NASA, ESA, W. Sparks (STScI), and the USGS Astrogeology Science Center

Two veteran NASA missions are providing new details about icy, ocean-bearing moons of Jupiter and Saturn, further heightening the scientific interest of these and other "ocean worlds" in our solar system and beyond. The findings are presented in papers published Thursday by researchers with NASA’s Cassini mission to Saturn and Hubble Space Telescope.
In the papers, Cassini scientists announce that a form of chemical energy that life can feed on appears to exist on Saturn's moon Enceladus, and Hubble researchers report additional evidence of plumes erupting from Jupiter's moon Europa.
“This is the closest we've come, so far, to identifying a place with some of the ingredients needed for a habitable environment,” said Thomas Zurbuchen, associate administrator for NASA's Science Mission Directorate at Headquarters in Washington. ”These results demonstrate the interconnected nature of NASA's science missions that are getting us closer to answering whether we are indeed alone or not.”
The paper from researchers with the Cassini mission, published in the journal Science, indicates hydrogen gas, which could potentially provide a chemical energy source for life, is pouring into the subsurface ocean of Enceladus from hydrothermal activity on the seafloor.
The presence of ample hydrogen in the moon's ocean means that microbes – if any exist there – could use it to obtain energy by combining the hydrogen with carbon dioxide dissolved in the water. This chemical reaction, known as "methanogenesis" because it produces methane as a byproduct, is at the root of the tree of life on Earth, and could even have been critical to the origin of life on our planet.
NASA's Europa Clipper Spacecraft Kicks Assembly Into High Gear – NASA's Europa Clipper
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4 min readMedia Get Close-Up of NASA’s Jupiter-Bound Europa ClipperJet Propulsion LaboratoryApr 11, 2024 Article

Contents

More About the Mission

News Media Contacts

Members of the media visited a clean room at JPL April 11 to get a close-up look at NASA’s Europa Clipper spacecraft and interview members of the mission team. The spacecraft is expected to launch in October 2024 on a six-year journey to the Jupiter system, where it will study the ice-encased moon Europa.
NASA/JPL-Caltech

Excitement is mounting as the largest spacecraft NASA has ever built for a planetary mission gets readied for an October launch.
Engineers at NASA’s Jet Propulsion Laboratory in Southern California are running final tests and preparing the agency’s Europa Clipper spacecraft for the next leg of its journey: launching from NASA’s Kennedy Space Center in Florida. Europa Clipper, which will orbit Jupiter and focus on the planet’s ice-encased moon Europa, is expected to leave JPL later this spring. Its launch period opens on Oct. 10.
Members of the media put on “bunny suits” — outfits to protect the massive spacecraft from contamination — to see Europa Clipper up close in JPL’s historic Spacecraft Assembly Facility on Thursday, April 11. Project Manager Jordan Evans, Launch-to-Mars Mission Manager Tracy Drain, Project Staff Scientist Samuel Howell, and Assembly, Test, and Launch Operations Cable Harness Engineer Luis Aguila were on the clean room floor, while Deputy Project Manager Tim Larson, and Mission Designer Ricardo Restrepo were in the gallery above to explain the mission and its goals.
NASA Begins Assembly of Europa Clipper Spacecraft – NASA's Europa Clipper
The instrument collects ultraviolet light, then separates the wavelengths of that light to help determine the composition of the moon’s surface and gases in the atmosphere.
As each instrument arrives at JPL, it will be integrated with the spacecraft and re-tested. Engineers need to be sure the instruments can communicate with the flight computer, spacecraft software, and the power subsystem.
Once all the components have been integrated to form the large flight system, Europa Clipper will move to JPL’s enormous thermal vacuum chamber for testing that simulates the harsh environment of deep space. There also will be intense vibration testing to ensure Europa Clipper can withstand the jostling of launch. Then it’s off to Cape Canaveral, Florida, for an October 2024 launch.
For the leaders of this mission, seeing the engineering components come together with the fleet of instruments will be especially moving, knowing how hard their teams have pushed to work through the coronavirus pandemic.

Learn More

10 Things to Know About Europa Clipper's Science Instruments

Europa Clipper's Ultraviolet Spectrograph Delivered to JPL

“I don’t know how I’ll feel, seeing this come together. I suspect it will be somewhat overwhelming,” said JPL’s Robert Pappalardo, the Europa Clipper project scientist. “It’s happening – it’s becoming real. It’s becoming tangible.”
At the same time, the level of difficulty kicks up several notches as the layers of the project merge.
“All of the parallel paths of hardware and software development will start to join together in a way that’s very visible to the team,” said JPL’s Jordan Evans, the deputy project manager. “Everybody’s eyes turn toward the integrated system that’s coming together, which is exciting.”
More About the Mission
Missions such as Europa Clipper contribute to the field of astrobiology, the interdisciplinary research on the variables and conditions of distant worlds that could harbor life as we know it. While Europa Clipper is not a life-detection mission, it will conduct detailed reconnaissance of Europa and investigate whether the icy moon, with its subsurface ocean, has the capability to support life.
NASA Mission Named 'Europa Clipper' – NASA's Europa Clipper
It speeds past, gathers a huge amount of science data, then sails on out of there," said Robert Pappalardo, Europa Clipper project scientist at NASA's Jet Propulsion Laboratory in Pasadena, California.
Previously, when the mission was still in the conceptual phase, it was sometimes informally called Europa Clipper, but NASA has now adopted that name as the formal title for the mission.
The mission is being planned for launch in the 2020s, arriving in the Jupiter system after a journey of several years.
JPL manages the mission for the agency's Science Mission Directorate in Washington.
For more information about NASA's Europa Clipper mission, visit:
http://www.nasa.gov/europa
Media Contact:

Preston Dyches
Jet Propulsion Laboratory, Pasadena, Calif.
818-354-7013
preston.dyches@jpl.nasa.gov

Dwayne Brown / Laurie Cantillo
NASA Headquarters, Washington
202-358-1726 / 202-358-1077
dwayne.c.brown@nasa.gov / laura.l.cantillo@nasa.go

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At the same time that the spacecraft body, electronics, and engineering subsystems come together, nine science instruments are being assembled and tested across a network of clean rooms at NASA centers, partner institutions, and private industry vendors. The suite of instruments will investigate everything from the depth of the internal ocean and its salinity to the thickness of the ice crust and potential plumes that may be venting subsurface water into space.
Slated to be delivered to ATLO from late 2021 through mid-2022, the instruments, which include cameras to capture surface geology in detail, are undergoing extensive testing. Engineers want to be sure the instruments can communicate correctly with the flight computer, spacecraft software, and the power subsystem, to be able to respond to commands and transmit data back to Earth.
Mission leaders acknowledge that COVID-19 challenges have stretched the project and instrument teams as they find ways to meet deadlines when parts are delayed or staffing is short. Engineers, technicians, and scientists continue to power through.
“What we’ve seen, even in the midst of the pandemic, is that the engineering and instrument teams are responding very well. The pandemic has affected mission schedule, but the teams are tackling the challenges, communicating openly, and displaying tremendous flexibility to keep the hardware on track for our October 2024 launch,” said Europa Clipper Deputy Project Manager Jordan Evans. “We see it day in and day out, across the team, and it’s fantastic.”
More About the Mission
Missions such as Europa Clipper contribute to the field of astrobiology, the interdisciplinary research on the variables and conditions of distant worlds that could harbor life as we know it. While Europa Clipper is not a life-detection mission, it will conduct detailed reconnaissance of Europa and investigate whether the icy moon, with its subsurface ocean, has the capability to support life. Understanding Europa’s habitability will help scientists better understand how life developed on Earth and the potential for finding life beyond our planet.
Managed by Caltech in Pasadena, California, JPL leads the development of the Europa Clipper mission in partnership with APL for NASA’s Science Mission Directorate in Washington.
NASA invita a hispanohablantes a enviar sus nombres en Europa Clipper – NASA's Europa Clipper
240-458-0248
maria-jose.vinasgarcia@nasa.gov 

Europa News

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La NASA ha lanzado un nuevo sitio web en español para invitar al público a enviar sus nombres a bordo de Europa Clipper, una misión que iniciará su viaje a la luna de Júpiter Europa en octubre de 2024.

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Stay Connected

Mission

Overview

Science

Timeline

The Team

History

FAQ

Spacecraft

Meet Europa Clipper

Instruments

Assembly

Vault Plate

Why Europa

Overview

Europa Up Close

Ingredients for Life

Evidence for an Ocean

News

Latest News

Mission Updates

Subscribe

Resources

All Resources

Images

Videos

Activities & Educational Resources

Posters, Stickers, & More

Participate

Participate

Feedback

|

Accessibility

Managed by the Jet Propulsion Laboratory
for
NASA’s Science Mission Directorate.

NASA Official/Program Executive: 
Dave Lavery

NASA Official/Program Scientist: 
Curt Niebur

Media Contact: 
Gretchen McCartney

Public Engagement Manager: 
Heather Doyle

Public Engagement Lead: 
Laurance Fauconnet

Social Media Lead: 
Bill Dunford

Science Writer: 
Sandy Marshall

Science Writer: 
Amanda Barnett
NASA’s Europa Clipper Survives and Thrives in ‘Outer Space’ on Earth - NASA
Shock testing involved pyrotechnics to mimic the explosive jolt the spacecraft will get when it separates from the rocket to fly its mission. Finally, acoustic testing ensured that Europa Clipper can withstand the noise of launch, when the rumbling of the rocket is so loud it can damage the spacecraft if it’s not sturdy enough.
“There still is work to be done, but we’re on track for an on-time launch,” Evans said. “And the fact that this testing was so successful is a huge positive and helps us rest more easily.”
Looking to Launch
Later this spring, the spacecraft will be shipped to NASA’s Kennedy Space Center in Florida. There, teams of engineers and technicians will carry out final preparations with eyes on the clock. Europa Clipper’s launch period opens Oct. 10.
After liftoff, the spacecraft will zip toward Mars, and in late February 2025, it will be close enough to use the Red Planet’s gravitational force for added momentum. From there, the solar-powered spacecraft will swing back toward Earth to get another slingshot boost – from our own planet’s gravitational field – in December 2026.
Then it’s on to the outer solar system, where Europa Clipper is set to arrive at Jupiter in 2030. The spacecraft will orbit the gas giant while it flies by Europa 49 times, dipping as close as 16 miles (25 kilometers) from the moon’s surface to gather data with its powerful suite of science instruments. The information gathered will tell scientists more about the moon’s watery interior.
More About the Mission
Europa Clipper’s main science goal is to determine whether there are places below the surface of Jupiter’s icy moon, Europa, that could support life. The mission’s three main science objectives are to determine the thickness of the moon’s icy shell and its surface interactions with the ocean below, to investigate its composition, and to characterize its geology. The mission’s detailed exploration of Europa will help scientists better understand the astrobiological potential for habitable worlds beyond our planet.
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