NASA has launched its Europa Clipper spacecraft, the biggest one it has ever built for a mission heading to another planet, on top of a SpaceX Falcon Heavy rocket from the Kennedy Space Center in Florida. Mission controllers at the agency's Jet Propulsion Laboratory have confirmed that the Europa Clipper successfully separated from the rocket's second stage and has already deployed the two solar arrays flanking its main body. Now, the spacecraft has started its 1.8 billion-million journey Europa, one of Jupiter's moons and one of the most promising habitable worlds outside our own planet, which will take it five-and-a-half years to reach.
The Europa Clipper will not be heading straight to Jupiter — it will instead fly by Mars and, in 2026, by Earth to use the planets' gravity to boost its momentum. NASA's plan is to use that momentum to slingshot the spacecraft towards the outer solar system. Europa has a thick icy shell that's estimated to be around 10 to 15 miles thick, covering a saltwater ocean that could have twice the water in our planet's oceans combined. Since scientists believe that life on our planet originated from the ocean, Europa's could also host organic compounds and contain energy sources.
"Scientists believe Europa has suitable conditions below its icy surface to support life. Its conditions are water, energy, chemistry and stability," said Sandra Connelly, the Deputy Associate Administrator in the NASA Science Mission Directorate.
Upon reaching Europa in 2031, the Clipper will fly by the moon 49 times, coming as close as 16 miles to its surface. NASA equipped the spacecraft with nine instruments, including an ice-penetrating radar, cameras and a thermal instrument, housed inside a vault made of titanium and aluminum to protect them from the intense radiation produced by Jupiter. The Clipper will operate its instruments simultaneously every time it passes by the moon to investigate how thick Europa's outer shell truly is and how deep the ocean underneath all that ice is. It will also look for areas with warmer ice and find any plumes of water vapor that could be escaping from Europa's icy shell.
In case you missed it: Today, NASA's largest planetary spacecraft launched on a 5.5-year, 1.8-billion mile voyage to Jupiter's moon Europa.
— NASA JPL (@NASAJPL) October 14, 2024
Next up... Mars gravity assist in March 2025!
Here are some highlights from today's @EuropaClipper launch 🚀 pic.twitter.com/zYBYGVFNxU
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