We all live here but how many of use actually know much about our earth? Well thanks to the apollo mission we could see our magnificant planet as a whole. NASA uses its earth observation system to track earths changes so we are more connected to our earth. It's good that technology has advanced so far as to be able to interact with the earth. Something that might have been seen to be completely useless in the past now is completely neccessary. We need to take care of the earth as it were a child, because it is a part of us and we have to keep track that it's heart is beating.
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