| 21. | The areas around the Mississippi are composed of thick regolith that is around thick.
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| 22. | Micrometeorites in particular produce a glassy melt in the regolith that lowers the albedo.
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| 23. | Similar research is still ongoing : Measurements of Electrical Discharges in Martian Regolith Simulant.
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| 24. | It is, however, difficult to explain the origin of a putative regolith.
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| 25. | Hawaiian volcanic ash has been used as Martian regolith simulant by researchers since 1998.
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| 26. | Chlorine is very rare in lunar regolith.
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| 27. | Alternatively, oxygen can be liberated from the lunar regolith without reusing any imported materials.
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| 28. | The composition of the lunar regolith can also be used to infer its source origin.
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| 29. | Lunar regolith has a number of uses.
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| 30. | The effect is particularly pronounced on regolith surfaces of airless bodies in the solar system.
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