InFigure (Planetary Radar), part (b), the highest-frequency reflected radiation is receive...

InFigure (Planetary Radar), part (b), the highest-frequency reflected radiation is received from (a) the upper part of the planet; (b) the center of the planet; (c) the lower part of the planet.

FIGURE 1 Planetary Radar A radar beam (blue waves) reflected from a rotating planet yields information about both the planet’s line-of-sight motion and its rotation rate.