What are we made of? Where do we come from? And where will our journey go? A lot of scientists try with high motivation to answer these questions. While particle physicists try to find out our composition and the way our building blocks interact, astrophysicists want to know if we are alone in the universe or if life exists on other planets as well or is at least possible. Maybe, in the far future we will be able to colonize other planets. Who knows for how long Earth will stay as comfortable as it currently is?
KeywordsSolar System Astronomical Unit Star System Habitable Zone Extrasolar Planet
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