The Earth was about 99 million miles away at that point, according to NASA’s Jet Propulsion Laboratory. Curiosity traveled a much longer distance to get to Mars because both planets are constantly in motion.
Any Martian or Earthling who happened to be visiting wouldn’t need such a special camera to see the same thing.
According to NASA, “A human observer with normal vision, if standing on Mars, could easily see Earth and the moon as two distinct, bright ‘evening stars.'”
Of course, photographing its native planet isn’t Curiosity’s main mission, which is exploring Mars. Read More on CNN with fascinating pictures and videos from the Mars
Courtesy : Google & CNN