Task · part of 5. The five visible planets: named, charted for a year, and one observed
5(c). How the planets move across the sky
Required
Described. Retrograde motion is the thing this requirement is really pointing at, and the 12-month chart at 5(b) is where you can see it coming.
Where this step comes from
- Astronomy Merit Badge Requirements (Merit Badge Hub, last modified 2025-09-19), Requirement 5(c)