Nasa's Curiosity rover has taken a photograph of Earth from the surface of Mars, showing what our planet looks like from 100 million miles away. It's rare that a single dot on a computer screen can elicit such a strong reaction, but there is something mind-blowing about Earth's diminutive appearance in the image. While we are used to seeing vivid greens and blues and swirling cloud when the Earth is photographed from space, from this distance the planet and its moon appear like no more than a couple of bright 'evening stars'. http://timesofindia.indiatimes.com/home/science/Here-is-what-Earth-looks-like-from-Mars/articleshow/30054065.cms
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