There is no possible way that we are alone in the Universe.
From the information I have read, the universe has a radius of about 14 Gpc (46.5 billion light-years). Think about that number.
46,500,000,000 light years.
And thats only to the edge of the observable universe.
The milky way is about 100,000 light years across. It has something like 200 billion stars. Imagine how many planets that is. And thats only one
The low range of total galaxies in the universe is 125 billion. The high range is 500 billion.
2003 BBC article on observable stars:
2003 CNN article on the same thing
"Astronomers in Australia say there are 10 times more stars in the visible Universe than all the grains of sand on the world's beaches and
70 sextillion, or seven followed by 22 zeroes.
Take a look at this website.
There you can download a simulation of the large scale structure of the universe out to more than 1 giga parsec (3.2 billion light years).
People argue that since we have not made contact with an alien civilization already then it means they are not there. The universe is so huge that we
could be in a cosmic backwater. Everyone else might be too far away to contact....right now. Im sure we will eventually find out that we are not
[edit on 5-10-2008 by Skiball]