twin planet earth kategorisindeki haberler
  • How many habitable planets are there in the galaxy?

    How many habitable planets are there in the galaxy?

    27 March 2013

    Habitable planets are one of the biggest dreams of the men till the first existence. After 1900s, space programs combined with new technology showed that it can be possible. Scientists used “Earth-like” term to make these planets more popular. Researches about such planets are very hard because there are over 17 billion planets out of […]