Why is NASA so interested in visiting, or at least flying by, Europa?

A. Satellite images suggest that it has inner layers much like Earth's.
B. Jupiter captured this asteroid in the early 1800s, so it is the newest moon in the solar system.
C. Previous flybys have photographic evidence of plate tectonic processes.
D. Scientists believe an ocean with primitive life could exist underneath its icy crust.


Answer: D

Environmental & Atmospheric Sciences

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