01. Are there aliens? (A K2S Question)

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If you mean have we found any "little green people," then the answer is, not yet. Our galaxy (the Milky Way) has some four hundred billion stars. Starting in 1995 astronomers began finding planets orbiting around some of these stars. After just ten years, we have found over 150 planets that are outside our solar system. So far, these planets are extremely hot or cold and are subjected to intense radiation. While none of these planets would be comfortable for you or me to live on, there might be some animals that like living there. In the next few years we may find a planet that is just right—not too hot, not too cold. Then maybe we will find evidence of life on those planets.

Answer provided by Robby Gaines


Image:K2S logosmall.jpg Question and Answer extracted from the book Kids to Space - by Lonnie Schorer


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