Planetary science. Europa's ocean--the case strengthens.
1Division of Geology and Planetary Science, California Institute of Technology, Pasadena, 91125, USA. djs@gps.caltech.edu
Science (New York, N.Y.)
|September 9, 2000
Summary
Evidence suggests Jupiter
Area of Science:
- Planetary Science
- Astrobiology
Background:
- Previous evidence for a subsurface ocean on Europa was theoretical and lacked compelling data.
- Spectroscopic and geological arguments were insufficient to confirm the presence of an ocean.
Discussion:
- Magnetic field data from the Galileo spacecraft offers new, persuasive evidence.
- This data indicates a conducting layer near Europa's surface.
Key Insights:
- The conducting layer is most likely a global, subsurface water ocean.
- Galileo's magnetic field measurements provide the strongest evidence to date for Europa's ocean.
Outlook:
- Further investigation into Europa's potential habitability is warranted.
- This finding significantly advances the search for extraterrestrial life.
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