| 31. | It climbed straight up and over the brown featureless steppes.
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| 32. | Ground radar easily detects incursions in the relatively flat and featureless terrain.
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| 33. | A common misconception about peneplains is that they ought to be featureless.
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| 34. | He ingested a serum which made his face permanently featureless and malleable.
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| 35. | In these areas no stars could be seen, only featureless black.
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| 36. | Europa, however, would appear as a completely featureless white disc.
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| 37. | These asteroids were described as " featureless " Tholen classification.
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| 38. | The floor of this crater is flooded and relatively featureless.
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| 39. | The outer rim of this crater is roughly circular and relatively featureless.
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| 40. | Within the rim, the interior floor is level and nearly featureless.
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