NASA Astronaut Ricky Arnold — Astronaut (STS-119, Expedition 55/56, NEEMO 13, #CAVES2016) & Educator. Heading back to @ISS March 2018. Posts are my own.
Selamat pagi Indonesia – a place I once called home. Java, Bali, & Lombok all lined up neatly in a row. The narrow straits between Bali and Lombok are known as the Wallace Line. Alfred Russel Wallace formulated his own theory of evolution based on his time on these islands. ...more
3 weeks ago