iss069e036839 (July 25, 2023) -- NASA astronaut and Expedition 69 Flight Engineer Frank Rubio works on thinning Arabidopsis seedlings in Plant Habitat-03 aboard the International Space Station. Rubio is thinning the sprouts to retain a singular healthy plant per unit as the crew continues ongoing investigations of assessing whether adaptations in one generation of plants grown in space can transfer to the next.
Photographer Frank Rubio
Date July 25, 2023