Page 11 - Super Earth Encyclopedia
P. 11
UNIQUE
EARTH
Created from a cloud
of gas and dust more than
4.6 billion years ago, our world
has evolved into a uniquely
dynamic planet. Heat from
deep below its surface keeps
the crust in continuous
slow motion, so its pattern
of oceans and continents
is always changing.
US_008-009_UNIQUE_EARTH-OPENER_1.indd 9 01/03/17 11:21 am

