 Bacolor Crater Ejecta, as seen byHiRISE. Scale bar is 1 kilometer long. | |
| Planet | Mars |
|---|---|
| Coordinates | 33°00′N241°24′W / 33°N 241.4°W /33; -241.4 |
| Quadrangle | Casius |
| Diameter | 20.8 km |
| Eponym | Bacolor, Pampanga, Philippines |
Bacolor is a crater in theCasius quadrangle ofMars, located at 33 North and 241.4 West. 20.8 kilometers (12.9 mi) in diameter, it is named after the municipality ofBacolor inPampanga,Philippines.[1]
Thecrater shows a double layer ofejecta.[2] The impact's heatvaporized the ground and anyice where themeteorite struck.Shock waves spread outward from the impact point, smashing rocks and heaving the fragments skyward, along with steam and other hot gases. As the shock wave dug deeper, it excavated a bowl-shaped hole in the ground.[3] A thick, hot, slurry ofmud,water vapor, and rock fragments flew away from the growing cavity and fell to the ground, making the inner ejecta apron. The innermost portion of this layer covered the ground thickly and, near the crater rim, shows numerous signs of having flowed at least sluggishly.[4]
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