What is the Earth's average temperature?
Wednesday, August 19, 2015 - 08:30
in Astronomy & Space
Earth is the only planet in the solar system where life is known to exists. Note the use of the word "known", which is indicative of the fact that our knowledge of the solar system is still in its infancy, and the search for life continues. However, from all observable indications, Earth is the only place in the solar system where life can – and does – exist on the surface.