EAN: 9783319934754

ASTRONOMERS UNIVERSE EXPLORING THE OCEAN WORL...

In the last 25 years  planetary science experienced a revolution  as vast oceans of liquid
water have been discovered within the heart of the icy moons of our Solar System. These
subsurface oceans lie hidden under thick layers of ice. We call them ocean worlds. Some of
these icy moons  such as Ganymede  may hold two to three times more liquid water than all the
water present on Earth  while others  such as Enceladus and Europa  are thought by
astrobiologists to be our best hope of finding extraterrestrial life. In this book  we will
explore and compare a variety of Solar System ocean worlds  meeting in the process 22 of the
most intriguing objects  from the giant asteroid Ceres to the enigmatic  distant Sedna. In
doing so  we will also encounter the multiple spacecraft that brought back most of what we know
of these worlds (Pioneers  Voyagers  Cassini-Huygens  etc.)  as well as the latest scientific
research on this new topic. We will also entertain the possibility of life on each of these
ocean worlds by assessing their habitability  as ultimately  these ocean worlds might hold the
key to answering the fundamental questions in life: How did life appear? Where do we come from?
Is there life out there? With the contributions of leading planetary scientists from NASA  ESA
and other institutions  this book aims to be the go-to reference for anyone wanting to know
more about this fascinating topic.

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