Earth
Revision as of 09:18, 24 April 2019 by Michel Lamontagne (talk | contribs)
Earth is the third planet from the Sun orbiting at a distance of approximately 149 million km. Earth, the third planet from the Sun (after Mercury and Venus), is the home planet of mankind and the most beautiful of all.
Physical
It has a natural magnetic field (which Mars has not) that protects from solar wind. Earth is seen as a bright morning star from Mars.
Sociological
The population on Earth is around 7 600 000 000 persons[1], increasing exponentially. However the United Nations population projections mostly show a reduction in growth in the next few decades, peaking at about 12 billions.
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