"Opportunity and "Phoenbare two of the robotic explorers on Mars. Opportunity landed at 2° south latitude, where Mars' radius is about 2,110 miles. Phoenix landed at 68° north latitude, where Mars' radius

is about 790 miles. Mars rotates on its axis once every 246 Earth-hours.

How far does each explorer travel as Mars rotates by 1 radian? Drag and drop each number into the

correct box to complete the explanations.

Opportunity travels miles and Phoenix travels miles.

How many hours does it take Mars to rotate 1 radian? Round to the nearest hundredth.

It takes about hours to rotate one radian.

Using this answer, how fast is each explorer traveling around Mars' axis in miles per hour? Round to the

nearest ten

Opportunity is traveling around Mar's axts at about miles per hour and Phoenix at about

miles per hour.