Our Earth is unique in our solar system as it is in the habitable zone of sun. Till Kepler Mission discovers another such planet, Earth continues to enjoy its unique position in our perceavable universe. The Earth Day, celebrated each year on 22nd April, is time to cherish this uniqueness and take a resolve to preserve it . The above image which is called the “blue marble” image is the most detailed true-color image of the entire Earth to date. Using a collection of satellite-based observations, scientists and visualizers stitched together months of observations of the land surface, oceans, sea ice, and clouds into a seamless, true-color mosaic of every square kilometer of our planet (Source www.visibleearth.nasa.gov).
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