Question

The ExoMars Trace Gas Orbiter is a joint project of the European and Russian space agencies, designed to help determine the origin of methane in the Martian atmosphere. ExoMars reached the red planet in 2016, and in 2018 its orbit was circularized at approximately 400 kmkm altitude.

Part A

(Estimate ExoMars' speed.)

Express your answer with the appropriate units.

Part B

(Estimate ExoMars’ orbital period.)

Express your answer in minutes.

Answer 1