Wow! Just look at this photo of the Milky Way taken by astronaut Don Pettit on the ISS. Taken with a homemade tracker to counteract the orbital motion. It kind of looks like an aurora, but that's actually just clouds just before dawn. The purple colour comes from nitrogen scattering sunlight. 🧪🔭
May 14, 2025 at 5:16 PM
Wow! Just look at this photo of the Milky Way taken by astronaut Don Pettit on the ISS. Taken with a homemade tracker to counteract the orbital motion. It kind of looks like an aurora, but that's actually just clouds just before dawn. The purple colour comes from nitrogen scattering sunlight. 🧪🔭