He came. He saw. He took really great pictures. This weekend, Don Pettit will return to Earth after his 7-month mission to the International Space Station (ISS). Throughout his stay, astro_pettit contributed to research that benefits humanity and supports future space missions. Pettit also shared what he calls his “”science of opportunity”” to demonstrate how experimenting with our surroundings can help gain a better understanding of how things work. This understanding is enhanced when art, science, and microgravity come together. Check out a few of Don’s many photos. Image descriptions: 1. Comet C2024-G3 soars through space as pictured from the ISS. The lower half of the photo glows blue from Earth’s atmosphere; the top half contrasts with the blackness of space. 2. A long-exposure photo of Earth taken from the ISS. The city lights create streaks of color in shades of white, blue and green. In the distance, the horizon glows red. The long-exposure format captures the stars ...