article_snippet: More than 200 related surface changes up to 19 miles (30km) away were noted.
article_snippet: Not only did the LROC images reveal intricate details of ejecta distribution, but the LROC images also offered a valuable opportunity to study the structure of the top meter of Regolith.
article_snippet: The high reflectance was there, but three other zones were discovered,' said Mark Robinson, a professor in ASU's School of Earth and Space Exploration and LROC's principal investigator. '
article_snippet: At the edge of the high reflectance ejecta was a low reflectance zone, then, beyond that, another high reflectance zone, and beyond that, another low reflectance zone.'