Science ❯ Astronomy ❯ Planetary Science
Perseverance Rover Curiosity Rover Space Missions NASA Missions Human Spaceflight Astrobiology Geological Features Mars Curiosity Rover Mars Perseverance Rover Geology
The agency used engine burns during close Earth passes to gain efficient speed for a September 2027 Mars arrival, a technique that could let missions launch outside the usual two‑year windows.