Ocean Worlds: The Story of Seas on Earth and Other Planets
Jan Zalasiewicz and Mark Williams
Oxford Univ., $29.95
The oceans of other worlds might look nothing like Earth’s tranquil blue seas. Under the right high-pressure conditions, the water could exist in a weird supercritical state that is neither liquid nor steam. And yet the key to understanding such alien landscapes may lie close to home, around submarine volcanoes right here on Earth.
Ocean Worlds looks at the inner workings of Earth’s oceans — and of other worlds’