What does planet Earth look like from Saturn?

Photographs of our planet taken from orbit are spectacular. The ones that the Apollo astronauts took from lunar orbit are amazing. Did you ever wonder what Earth looks like from as far away as Saturn? Would it be visibly blue? This question has been answered by the cameras on NASA’s Cassini spacecraft which captured this rare look at Earth and its moon from Saturn orbit on July 19, 2013. Taken while performing a large wide-angle mosaic of the entire Saturn ring system, narrow-angle camera images were deliberately inserted into the sequence in order to image Earth and its moon. This is the second time that Cassini has imaged Earth from within Saturn’s shadow, and only the third time ever that our planet has been imaged from the outer solar system.

Earth is the blue point of light on the left; the moon is fainter, white, and on the right. Both are seen here through the faint, diffuse E ring of Saturn. Earth was brighter than the estimated brightness used to calculate the narrow-angle camera exposure times. Hence, information derived from the wide-angle camera images was used to process this color composite.

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