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Dive into the research topics where William K. Hartmann is active.

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Featured researches published by William K. Hartmann.


Archive | 1985

Outer solar system materials - Ices and color systematics

William K. Hartmann; Dale P. Cruikshank; David J. Tholen

Our program of VJHK colorimetric observations and spectrophotometry is reviewed and updated. Attention is given to the probable connections between VJHK colors and the ratios of bright ices and dark soils on many outer solar system small bodies’ surfaces. VJHK color systematics may clarify ice/soil behaviors in bodies too faint for high resolution spectra. Comets appear colored by soils most closely resembling D-class Trojan asteroid soils. Our recent model of comet surface properties, involving weakly-bonded ice/soil regoliths, helps explain comet eruptive phenomena. The work suggests the importance of considering ices in the context of their intimate mixture with non–volatile soils.


Icarus | 1968

Asteroid collisions and evolution of asteroidal mass distribution and meteoritic flux

William K. Hartmann; Alice C. Hartmann


Archive | 2000

Trojan Asteroid 624 Hektor: Constraints on Surface Composition

Dale P. Cruikshank; Cristina Morea Dalle Ore; Thomas R. Geballe; Ted L. Roush; Tobias C. Owen; Michele D. Cash; Catherine de Bergh; William K. Hartmann


Archive | 1984

2201 Oljato: An Asteroid, a Comet, or Both?

Lori A. McFadden; Steven J. Ostro; Edwin S. Barker; Anita L. Cochran; Dale P. Cruikshank; William K. Hartmann; Baruch T. Soifer; Glenn J. Veeder


Archive | 1987

Trojan Asteroid Lightcurve Survey: Unusually Elongated Shapes?

William K. Hartmann; D. J. Tholen; Richard P. Binzel; Dale P. Cruikshank; Jon D. Goguen


Archive | 1984

Continued Comparisons of Comets and Outer Solar System Small Bodies

William K. Hartmann; Dale P. Cruikshank; D. J. Tholen


Archive | 1983

Systematics of Ices Among Remote Comets, Asteroids, and Satellites

William K. Hartmann; Dale P. Cruikshank


Archive | 1983

The Rotational Lightcurve of Hyperion during 1983

Jon D. Goguen; Dale P. Cruikshank; Heidi B. Hammel; William K. Hartmann


Archive | 1981

Periodic Comet Schwassmann-Wachmann 1 and (2060) Chiron

Johan Degewij; Dale P. Cruikshank; William K. Hartmann; R. W. Capps


Archive | 1984

Fires from Heaven and Hell

William K. Hartmann; Dale P. Cruikshank

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D. J. Tholen

University of Hawaii at Manoa

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Anita L. Cochran

University of Texas at Austin

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Edwin S. Barker

University of Texas at Austin

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Glenn J. Veeder

California Institute of Technology

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Johan Degewij

California Institute of Technology

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