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We report the discovery of two well-defined tidal tails emerging from thesparse remote globular cluster Palomar 5. These tails stretch out symmetricallyto both sides of the cluster in the direction of constant Galactic latitude andsubtend an angle of 2.6 degrees on the sky. The tails have been detected incommissioning data of the Sloan Digital Sky Survey (SDSS), providing deepfive-color photometry in a 2.5 degrees wide band along the equator. The starsin the tails make up a substantial part (~1/3) of the current total populationof cluster stars in the magnitude interval 19.5 < i* < 22.0. This reveals thatthe cluster is subject to heavy mass loss. The orientation of the tailsprovides an important key for the determination of the cluster's Galacticorbit.Comment: 7 pages, 3 postscript figures, accepted for publication in ApJ  Letter

Detection of Massive Tidal Tails around the Globular Cluster Palomar 5 with Sloan Digital Sky Survey Commissioning Data