THEMIS Image of the Day, March 22, 2019. This VIS image shows a small portion of Daedalia Planum. The lava flows in this image originated at Arsia Mons. Individual flows have lengths up to almost 180 km (~111 miles). The longest Hawaiian lava flow is only 51 km (~31 miles).
The area of Daedalia Planum is 2.9 million square km – more than four times the size of Texas.