Now for number..
"In 1961, University of California, Santa Cruz astronomer and astrophysicist Dr. Frank Drake devised the Drake equation, which mathematically simplifies the rate of formation of suitable stars, the fraction of those stars which contain planets, the number of Earth-like worlds per planetary system, the fraction of planets where intelligent life develops, and the fraction of possible communicative planets, and the "lifetime" of possible communicative civilizations which scientifically stated there are an estimated
10,000 planets containing intelligent life with the possible capability of communicating with Earth
in the Milky Way galaxy." And more on [
http://en.wikipedia.org/wiki/Drake_equation]
Diaforetikos":48ye2y3a said:
But isn't it scientifically untrue that there is any proof of life forms besides our ideas and theories. There hasn't been on ounce of evidence saying that there is life outside of Earth. And did you read my comment on my belief in science?
From IndiaNews From CBS News
"The world gets its first unquestionable proof of life far beyond the earth. According to CBS news, the meteorite that crashed in northwest Canada almost seven years ago might have been able to host the very earliest life forms, according to NASA researchers, which opens the door to the possibility that life could be present elsewhere in the universe.
The Tagish Lake meteorite is unique. Tiny bubbles in the rock are organic globules where the universe's earliest life forms could have been able to live. The meteorite is 4.5 billion years old –older than the earth.
This meteorite is unique because it was recovered froze and some of these samples came to scientists still frozen.
No one knows what is the source of the organic material in the meteorite. But one thing is for certain – those who question extraterrestrail life has to keep quiet this time. The proof is real and verifiable."
From education pages
"For decades, debates have been common and fierce as to whether life existed on our closest eighboring planet, Mars. Many believed that other beings, Martians, did indeed exist, and were highly intelligent. Others claimed that there was no proof of this, and that life as we know it was, in fact, not possible due to the extreme conditions of the Martian environment. In 1976, NASA sent two landers, Viking I and Viking II, to the surface of Mars to determine if life did indeed exist. However, when these landers executed their experiments, they showed rather convincingly that there were no organic compounds above the one part per billion level in the upper few centimeters of the surface. The landers also reported on the extreme environment of Mars, with temperatures falling to 120o Fahrenheit (48.9oC) below 0 at night. So, for a while the debate subsided surrounding the existence of life on Mars.
In 1996, a meteor was found in Allan Hills, Antarctica. Upon examination, it was discovered that this meteor, which is 4.5 billion years old, fell to the earth 13,000 years ago, and possibly contained evidence of life on Mars. Inside the meteor, along tiny cracks, scientists found evidence of what many believe to be ancient bacteria.
There are four main clues which bring some scientists to this conclusion. One is that the meteorite is definitely of Martian origin and that it contains carbonate globules. The second is the presence of polycyclic aromatic compounds, which are complex organic molecules. The third piece of evidence is the presence of iron and other compounds which appear to be like those made by bacteria. The last, and perhaps most intriguing , is the pictures of the possible fossilized bacteria themselves. When taken separately, these pieces of evidence probably wouldnt amount to much. But what is compelling is that all of these pieces of evidence occurr within millimeters of each other.
However, skeptics still remain. Some simply arent sure, while others are certain that this meteorite contains no evidence of former life.. However, all agree that convincing evidence would contain proof that the fossils had cell walls, that the cells had been divided, and that chemicals more closely related to living organisms as we know them be found. And so, the debates continue. While these debates over ALH84001 occur, the science community continues its pursuit in finding signs of life, extant or extinct, on Mars..."
So I have no facking Ideaa.
