Analysis of information sources in references of the Wikipedia article "Chikyū" in English language version.
The Chikyū, which first set out in 2005, was initially intended to probe earthquake-generating zones in the planet's mantle, a subject of obvious interest to seismically unstable Japan. Its present undertaking was, if possible, of even greater importance: trying to develop an energy source that could free not just Japan but much of the world from the dependence on Middle Eastern oil.
