Thermal Alteration and Differential Sublimation Can Create 3200 Phaethon's "Rock Comet" Activity and Blue Color

Carey Michael Lisse, Johns Hopkins University Applied Physics Laboratory, Space Exploration Sector, Laurel, MD, United States and Jordan Steckloff, Planetary Science Institute, Tucson, United States; The Univ. of Texas at Austin, Dept. of Aerospace Engineering, Austin, United States