Planets and Moons  ID: 13693

Ocean Worlds: The Search for Life

Life as we know it requires three ingredients: energy, organic molecules, and liquid water. Our search for life beyond Earth is a search for planets, dwarf planets, and moons that harbor substantial liquid water. We call these places “ocean worlds.”

We’re learning that ocean worlds could be ubiquitous in the galaxy. Just in our solar system, we have found evidence of oceans on Saturn’s moons Titan and Enceladus; Jupiter’s moons Europa, Ganymede, and Callisto; Neptune’s moon Triton; and on Pluto. We also believe that Venus and Mars may have had oceans billions of years ago. Could they have supported life?

NASA’s research on oceans also includes our own planet and helps us to better understand the role of Earth’s ocean in our planet’s climate system. As we learn more about our own oceans, we will better understand worlds beyond Earth. Discover more about ocean worlds.

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Dan Gallagher (USRA)
James Tralie (ADNET Systems, Inc.)

Dan Gallagher (USRA)
James Tralie (ADNET Systems, Inc.)

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SVS >> Ice
SVS >> Jupiter
SVS >> Moon
SVS >> Ocean Planet
SVS >> Water
GCMD >> Earth Science >> Oceans
SVS >> Astrophysics
SVS >> Solar System
SVS >> Interview
SVS >> Astrobiology
SVS >> Planetary Science
SVS >> Titan
SVS >> Cassini
SVS >> Solar System >> Planets >> Jupiter >> Moons
SVS >> Galilean moons >> Europa
NASA Science >> Planets and Moons
SVS >> Saturn
SVS >> Europa Clipper
SVS >> Enceladus
SVS >> Habitability
SVS >> Habitable
SVS >> Dragonfly

GCMD keywords can be found on the Internet with the following citation: Olsen, L.M., G. Major, K. Shein, J. Scialdone, S. Ritz, T. Stevens, M. Morahan, A. Aleman, R. Vogel, S. Leicester, H. Weir, M. Meaux, S. Grebas, C.Solomon, M. Holland, T. Northcutt, R. A. Restrepo, R. Bilodeau, 2013. NASA/Global Change Master Directory (GCMD) Earth Science Keywords. Version