During the Period Each Year When We See Mars Undergoing

question 69

Multiple Choice

During the period each year when we see Mars undergoing apparent retrograde motion in our sky,what is really going on in space?

• A)Mars is moving around the Sun in the opposite direction from which Earth is moving around the Sun.
• B)Earth and Mars are getting closer together.
• C)Earth is catching up with and passing by Mars in their respective orbits.
• D)Earth and Mars are on opposite sides of the Sun.

---

Definitions:

Critical Path

The sequence of stages or tasks that determines the minimum time needed to complete a project or operation.

PERT Chart

A project management tool used to schedule, organize, and coordinate tasks within a project.

Delayed

Occurring later than expected or intended; postponed.

Planned Deadlines

Specified dates by which tasks or projects are targeted to be completed.