10. In about 50 million years it will either crashinto Mars or
break up and form asmall ring around theplanet.
11. • Thismeansthat a 68kgpersononEarthwouldweigh
only26kg onMarsandcould jumpthreetimesas high
12.
13.
14.
15. • A day in Mars lasts about
24 hours but a year lasts
approximately 687days
— almost twice the
Earth’s. The Martian year
is equivalent to its orbital
period around the sun.
Mars is farther awayfrom
the Sun that is why its
orbital period is longer.