Dawn is the transition from night to day as the sky gets brighter. Scientists distinguish between three definitions of dawn civil, nautical, and astronomical dawn. Each one is a specific moment in time, based on the solar elevation angle.
Mars Express achieves 25,000 orbits
Mars Express achieves 25,000 orbits by Erica Marchand Paris, France (SPX) Mar 28, 2024 Celebrating a significant milestone, ESA's Mars...