Astrophysicist Lisa Kaltenegger is looking for life on exoplanets. She combs data from space telescopes to find signs of water, oxygen or methane in other star systems. And she is confident that if extraterrestrial life exists it will be found soon.
China's ambitious space program could also be a chance for the European Space Agency to grow. The Europeans can't afford big projects such as Mars missions or building lunar bases on their own, says DW's Frank Sieren.
The planets are likely the right size and right temperature to support complex life. The Kepler planet-searching telescope has detected nearly 50 such planets in one small part of the observable universe.
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