The Pacific ocean is contained by a ring of fire, an inverted horseshoe shape that encompasses the long stretch coast of the Americas starting from Chile, going to Mexico, to California, Alaska then cross to East Asia, from Japan, to Philippines, Indonesia down to New Zealand.
The discovery of Eris and the presumption that it was bigger than Pluto, pushed the Astronomical Union to come up with a new definition of ‘planet’ that has excluded Pluto.
US astronomers said that they have spotted a habitable planet which they called as the Goldilocks zone for life. The climatic temperature is just right, not too hot and not too cold, the planet size is neither too big nor too small for habitation.
The heat and light of the sun waxes and wanes over a roughly 11 year period. Scientists had thought it warmed the earth more during peaks of activity, for example as measured by the number of spots visible in the sun’s atmosphere.