Title: Earth, our life supporting planet
Headings: Earth, our life supporting planet
Earth, our life supporting planet
Content: We don't know if intelligent life exists elsewhere on other planets. Many people believe that Mars is home to some bacteria and that perhaps some life forms can withstand Venus' high temperatures. But there are millions of stars in our galaxy and millions of galaxies in the universe. And while the universe is 13.7 billion years old, the human lifespan rarely exceeds 110 years. The Earth may be a pinprick in spacetime, but it also hosts what may be the loneliest yet most intelligent life forms in the universe - Homo Sapiens. back to the top | email this page to a friend
Author: Astronomy Today Staff