A PHOTO: Astronaut Ricky Arnold Talks STEM Education Author AlexPublished on May 7, 2019 Today is National Teacher Day! NASA astronaut Ricky Arnold was a science teacher at John Hanson Middle School in Waldorf, Maryland. via NASA https://go.nasa.gov/2Jk0109 Share this:MastodonEmailLike this:Like Loading... Related posts: A PHOTO: Astronaut-Educator Ricky Arnold Conducts Science on Station A PHOTO: Astronaut Ricky Arnold Works With a Student-Designed Experiment A PHOTO: Space Station Flight Over Hurricane Lane A PHOTO: Astronaut Joe Acaba Farms in Space