AmericaSpace Launch Countdown

Next Launch GPS IIF-7 on a Atlas V 401 rocket from Cape Canaveral AFB, FL
scheduled for:
2 Aug 14 3:23:00 GMT
1 Aug 14 23:23:00 EDT

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Polygonal Terrain Types

Fig. 2. Examples of identified terrain types. Arrows indicate the illumination direction in each image. (A) Example of Type 1 terrain with mounds and intervening wide gentle troughs. (B) Type 1 terrain with albedo pattern of roughly same dimensions as in 2A. (C) Type 2a terrain with small fracture polygons. Note the hummocky Type 1 base pattern, with concentrations of boulders at the tops of very shallow mounds. (D) Sketch map of 2C, with fractures in black and boulder/rubble piles in white. (E) Type 2b terrain with small Subtype 2a and wider Subtype 2b fractures. Note that the Subtype 2b pattern has roughly similar dimensions as the Type 1 patterns in previous images. (F) Sketch map of 2E, with same color coding as in 2D. Image and caption provided by Dr. Jarmo Korteniemi

Fig. 2. Examples of identified terrain types. Arrows indicate the illumination direction in each image. (A) Example of Type 1 terrain with mounds and intervening wide gentle troughs. (B) Type 1 terrain with albedo pattern of roughly same dimensions as in 2A. (C) Type 2a terrain with small fracture polygons. Note the hummocky Type 1 base pattern, with concentrations of boulders at the tops of very shallow mounds. (D) Sketch map of 2C, with fractures in black and boulder/rubble piles in white. (E) Type 2b terrain with small Subtype 2a and wider Subtype 2b fractures. Note that the Subtype 2b pattern has roughly similar dimensions as the Type 1 patterns in previous images. (F) Sketch map of 2E, with same color coding as in 2D. Image and caption provided by Dr. Jarmo Korteniemi

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