Hohmann Transfer Orbit Explained: Earth to Mars Mission Planning #67687 (License: Personal Use)

The image depicts two concentric circular orbits representing Earth (inner, blue) and Mars (outer, orange) around the Sun, with black lines indicating optimal Hohmann transfer trajectories connecting them. A magnified inset on the right shows the sequence of velocity changes (Δv) at periapsis and apoapsis using red arrows and orange nodes. This schematic is foundational in mission design for minimizing propellant use during interplanetary transfers.

Used in aerospace education, space mission planning articles, NASA/JPL outreach pages, and STEM curriculum materials; targets users seeking to understand orbital mechanics or Mars mission architecture.