d="para0001">We mapped the lunar light plains within a study area outside the Orientale basin.
dd><dt class="label">•dt><dd>d="para0002">We assessed the distribution, composition, and ages of the light plains.
dd><dt class="label">•dt><dd>d="para0003">Distribution and composition are consistent with an impact origin.
dd><dt class="label">•dt><dd>d="para0004">Ages are consistent with the age of the Orientale basin.
dd><dt class="label">•dt><dd>d="para0005">Most light plains in the study region likely formed as a result of the Orientale event.
dd>dl>