<p>Two large spherical pillow lavas. The right-most in the image is approximately a meter in diameter. How did such features form? A number of small lava spheres are seen in the upper left of the image.
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<pre>   Image ID: expn4917, Voyage To Inner Space - Exploring the Seas With NOAA Collect
   Location: Hawaii, South Pearl and Hermes Ridge
   Photo Date: 20150813T215815Z
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    Credit: NOAA Office of Ocean Exploration and Research, 2015 Hohonu Moana
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