What Appears to Have Caused the Extensive Cracking and Streaking

question 332

Multiple Choice

What appears to have caused the extensive cracking and streaking of the surface of Europa?

• A) shrinking of the satellite as it cooled, producing extensive wrinkling
• B) impacts by cometary debris breaking up the surface
• C) expansion of the surface as the ice froze, bending and wrinkling the surface
• D) tidal flexing by Jupiter and its other moons, which broke the surface and released water that immediately froze

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