So often in our day-to-day lives we re inundated with advice to think positively. From pop music to political speeches to commercials, the general message is the same: look on the bright side, be optimistic in the face of adversity, and focus on your dreams. And whether we re trying to motivate ourselves to lose weight, snag a promotion at work, or run a marathon, we re told time and time again that focusing on fulfilling our wishes will make them come true. The true, cutting-edge story of man's epic quest to find an Earth-like planet capable of sustaining complex life. In 1995 two Swiss astronomers discovered a planet circling Hope Without Optimism free epub a star other than our Sun. This changed our perception of the Universe forever, proving that Earth and the other celestial bodies in our Solar System are not alone in outer space. Now, after two decades of exploration, more than 860 planets have been discovered, many of which are completely unlike anything else we know. Some are blacker than coal; some are bathed in molten lava; others are perpetually scoured by hurricane-force winds; some have not one sun but two that rise in the morning, and others are perpetually drowned in global oceans. But as well as strange, uninhabitable lands, there is familiarity too. Some of these alien worlds are strikingly similar to planets in our Solar System. Astronomers now know of planets just like Jupiter, Neptune, Mars and Mercury orbiting stars similar to our Sun, both nearby and deep into space.
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