This figure at the NASA Ames Visitor Center suggests that a Hohmann Transfer orbit intersects the lower orbit. This is wrong: The yellow orbit should remain strictly outside the green orbit apart from the one place where they touch.

Space Holiday 2014: Photo 67 / 249

This figure at the NASA Ames Visitor Center suggests that a Hohmann Transfer orbit intersects the lower orbit. This is wrong: The yellow orbit should remain strictly outside the green orbit apart from the one place where they touch.

This figure at the NASA Ames Visitor Center suggests that a Hohmann Transfer orbit intersects the lower orbit. This is wrong: The yellow orbit should remain strictly outside the green orbit apart from the one place where they touch.