Europa Clipper Mission Approval
In August 2019, NASA formally approved the Europa Clipper mission for development toward an October 2024 launch, marking the most ambitious effort yet to investigate whether Jupiter’s ice-covered moon Europa harbors conditions suitable for life. The mission’s goal: determine if the subsurface ocean beneath Europa’s icy shell could support biology.
Europa Clipper will execute ~50 close flybys of Europa while orbiting Jupiter, using radar to penetrate the ice shell, measuring the ocean’s depth and salinity, analyzing surface composition for organic molecules, and detecting plumes of water vapor potentially venting from the subsurface ocean—geyser-like features observed by Hubble in 2012-2016.
The mission avoids Europa orbit to minimize radiation exposure from Jupiter’s intense magnetosphere (500,000 rads during the mission—20,000x lethal human dose). Instead, the spacecraft loops between Jupiter’s moons, periodically diving close to Europa for hours-long data collection before retreating to safer distances for transmission and recovery.
Approval followed decades of Europa advocacy from planetary scientists convinced the moon represents the solar system’s best bet for finding extraterrestrial life. Europa’s ocean, containing 2-3x more water than all Earth’s oceans combined, maintains liquid state via tidal heating from Jupiter’s gravity—providing energy independent of sunlight.
By 2023, Europa Clipper remained on track for October 2024 launch aboard Falcon Heavy, arriving at Jupiter in April 2030. The mission complements ESA’s JUICE (Jupiter Icy Moons Explorer, launched 2023) studying Ganymede, Callisto, and Europa. Together, they represent humanity’s most comprehensive investigation yet of potentially habitable worlds beyond Earth.
https://europa.nasa.gov https://www.jpl.nasa.gov/ https://www.nature.com/