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Spyhoppers and Stargazers: Can Whales See the Stars?

In Moby Dick, Herman Melville wondered how - or what - whales see with eyes on opposite sides of their heads. "It is plain that he can never see an object which is exactly ahead... Is his brain so much more comprehensive, combining and subtle than man's that he can at the same moment of time attentively examine two distinct prospects, one on one side of him, and the other in an exactly opposite direction?" he asked. It's a good question. But if Melville were alive today he might have pondered something perhaps even more intriguing: Can whales see the stars?