Planetary scientists sharing ideas and discoveries.
Planetary Science Research Discoveries (PSRD) is an educational site sharing the latest research by NASA-sponsored scientists on meteorites, asteroids, planets, moons, and other materials in our Solar System. With original support from the Planetary Science Division of NASA's Science Mission Directorate and Hawai'i Space Grant Consortium, this site is a vital link for planetary and space sciences, and for learning how science works.
'A'a: Blocky, angular, and rough type of lava flow. |