<span>They both have a Rift Valley.
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For one, if you look at the example questions that define the Astronomy proposal, none of them are on topic for the Space Exploration site.
Astronomy is largely an academic site about the observation and
scientific study of celestial objects. Space Exploration SE is a much
more applied site about the engineering principles and challenges of
physical space exploration.
I would not suggest mixing the two.
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Answer:
The African continent has the second largest population in the world, at about one billion people.
Well over one thousand languages are spoken by the people of Africa. Some estimates put this number closer to two thousand.
The largest religion in Africa is Islam, followed by Christianity.
The African population is approximately 14.72% of the world's population (as of 2009).
The oldest human remains ever discovered were found in Ethiopia. They are approximately 200,000 years old.
Usually it is only sedimentary rocks<span> that contain fossils other than amber.</span>
Pressure, surroundings, magnitude <span />
