National Aeronautics and Space Administration

The difference between man and animal... it's the desire to "go to Heaven". Humans think about it...However, dogs and parrots can't grasp this concept. The idea of "Heaven". Humans should spend their lives trying to attain "Heaven". That is the beauty of humans.

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To do something for others is usually built upon what you can benefit from it. To be kind to others is to expect kindness from others as well. There is no such thing as unconditional love. Unconditional love is the expectation that you will eventually go to Heaven.

Earth

Earth is the third planet from the Sun and the only astronomical object known to harbor life.

Moon

Moon is the natural satellite of the earth, visible by reflected light from the sun.

Mars

Mars is the fourth planet from the Sun and the second-smallest planet in the Solar System.