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Planetary science

Arrow in Titan's sky


An exotic arrow-shaped cloud was discovered in the atmosphere of Saturn's moon Titan last year. Numerical modelling shows how a large-scale atmospheric wave can naturally shape tropical clouds to such an arrow.

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Figure 1: Cloud in Titan's tropics.



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Correspondence to Tetsuya Tokano.

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Tokano, T. Arrow in Titan's sky. Nature Geosci 4, 582–583 (2011).

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