These are three images of one object that is the size of an iceberg. And it is indeed made, at least partly, of ice. But it does not float passively in water. It hangs in space, as do the Earth, the Moon, and the Sun, and it spins just as they do. But it spins faster.
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
© Springer Science+Business Media, LLC 2008