continue to respect all commenters and create constructive debates. But it does not prove it exists. Even the oceans, which remain largely unexplored and occupy a whopping 70% of the Earth’s surface, has not escaped our pollution’s reaches.

There may be hundreds of billions of stars and trillions of other planets in each galaxy. Due to the sheer scale of this comment community, we are not able to give each post

“One thing we see very often is that pollution starts off in one place but ends up somewhere very far afield,” says David Edwards, director at the National Center for Atmospheric Research Earth System Laboratory in Boulder, Colorado. Yes, extraterrestrial life certainly exists but where we do not know. Type III: A civilization that knows the galaxy it is in as well as the back streets of the neighborhood and can use its energy source in every corner of the galaxy. Pollution expelled into the air gets transported vast distances by winds and atmospheric currents. I do believe that life exist literally out of the Earth in different galaxies but mayybe not in the form we are all used to have it on the Earth. language is not acceptable, Do not impersonate other users or reveal private information about third parties, We reserve the right to delete inappropriate posts and ban offending users without notification, -1) ? Persistent chemicals such as polychlorinated biphenyls (PCBs) also leach into the water from land, and then travel up the marine food chain. This increases the likelihood of other creatures in one corner of the universe. Many scientists believe we are not alone in the universe.

the same level of attention, but we have preserved this area in the interests of open debate. Nothing is impossible, yes, i think it could. These upcoming telescopes will find and characterize a host of new exoplanets -- those planets that orbit other stars -- expanding our knowledge of their atmospheres and diversity. They found there was a marked fall in nickel between 2.7 billion and 2.5 billion years ago – the same time as the Great Oxidation Event. The oldest humanoid fossil is 3.2 million years old.... We will be long gone and the planet will revive itself. But scientists are optimistic, at least the astro-biologists ought there are, who tell us that Titan (one of Saturn' moons) and Europa (one of Jupitar's moons) have water underneath the surface, Europa seeming to be the more interesting one, it is hypothesized that there may be an ocean of water under its surface. But we need to get ride of the science-fiction image of that green creature with long ears printed in our minds in order to think of "extraterrestrial life" more reasonably.

According to the theory, the earth is being destroyed .

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