The
Planet Earth We Live
01.
Why is the Earth considered to be a
marvelous creation?
02. Does
the Earth revolve around the Sun?
03.
Does it spin around its own axis?
04. What
is rotation?
05. What
is revolution?
06. How
many hours does it take to rotate around its axis?
07.
How many days does it take to revolve
around the Sun?
08. What
is the shape of the Earth?
09. How
has it been proved?
10.
Why isn’t the Earth considered to be a
full sphere?
