A PHOTO: Astronaut Ricky Arnold Works With a Student-Designed Experiment Author AlexPublished on October 2, 2018 International Space Station astronaut and former teacher Ricky Arnold works with a student-designed experiment using NanoRacks commercial science hardware. via NASA https://ift.tt/2IvUhOc Share this:MastodonEmailLike this:Like Loading... Related posts: A PHOTO: Astronaut-Educator Ricky Arnold Conducts Science on Station A PHOTO: Another Day at the Office A PHOTO: Astronaut Michael Lopez-Alegria Works on Constructing the International Space Station A PHOTO: Rocket Blasts Off During 2017 Student Launch Challenge