alien life possibility is pathetic

galaxy cluster type
if too rich: galaxy collisions and mergers would disrupt solar orbit
if too sparse: insufficient infusion of gas to su

  1. stain star formation for a long enough time
    galaxy size
    if too large: infusion of gas and stars would disturb sun’s orbit and ignite too many galactic eruptions
    if too small: insufficient infusion of gas to sustain star formation for long enough time
    galaxy type
    Edited by Tricky: 
    snipped

    Edited for rules 4 and 6. If you copy and paste from another site, please use links. Do not paste large volumes of text from other sites unless they are your own writing.
    Replying to this modbox in thread will be off topic  Posted By: Tricky
 
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makaya325 said:
Long, how is it meaningless? Because you cant explain why these arent neccessary?
Click to expand...

Simple, because we dont actually know what life is. We dont know exactly how it works. We dont know exactly what other types of life can exist. We dont know what "all" other planets contain or not.
 
makaya325, providing this is not some cut & paste job, I have to say that's very impressive.

Now, according to my word processor, there are 647 lines in that post. Most statements (after quickly looking over it) are like this:

Unique event:
If X ...
If Y ...

Where X and Y are the extremes on both sides of one single event.

Therefor you use on average 3 lines per unique event.
647/3 = 215.66
So there are roughly 216 unique events. You talked abouth thousands?
 
Bell, no, i said the 1000's of events that happened on earth. Please tell me how you are going to approach my parameters?
 
Bell said:
makaya325, providing this is not some cut & paste job, I have to say that's very impressive.

Now, according to my word processor, there are 647 lines in that post. Most statements (after quickly looking over it) are like this:

Unique event:
If X ...
If Y ...

Where X and Y are the extremes on both sides of one single event.

Therefor you use on average 3 lines per unique event.
647/3 = 215.66
So there are roughly 216 unique events. You talked abouth thousands?
Click to expand...

And, from some quick "back of an envelop calculations", I think that only leaves 10-trillion Earth-like planets in the Universe. :cool:
 
makaya325 said:
Bell, no, i said the 1000's of events that happened on earth.
Click to expand...

Here's the post:

makaya325 said:
Answer this: what are the chances 1000's of unique events happened again? Do you not understand that, as of now, our solar system is pretty unique and our galaxy is alot safer and larger than most galaxies in the universe?
Click to expand...

Seems to me you imply that those thousands of unique events are all needed for creating life in the universe. So you're atleast some 1784 events short of thousands.

Please tell me how you are going to approach my parameters?
Click to expand...

Where did I said I would? I only asked for them.
 
Bell, i may have exxagerated the 1000's of factors, my bad. However, the 200 plus factors still stand
 
makaya325 said:
Nobby, your wrong that life on earth supports life elsewhere. In the last couple of decades, scientists have made discoveries that point to earth being somewhat of a planet that is incredibly rare, if not non-existent elsewhere.
Click to expand...

Which discoveries? Cite?

And why are you ignoring the discoveries they make that make it seem as if life might be more common that we think? Discoveries like water on Europa and methane on Mars?

Confirmation bias, anyone?
 
makaya325 said:
These i didnt come up with, they are from an Astronomer.
Click to expand...

Which astronomer?

By the way, the new president of the association this forum is attached to is also an astronomer. Have you happened to ask him?

Why do you continue to cite "facts" without telling what resource you have used to gather them from? The word for this is not "fact", it is "opinion".

And FYI, that famous photo someone posted above of all the galaxies? I'm told that the amount of sky that represents is the amount covered by the eye of FDR on a dime held at arm's length. In the visible spectrum, that is.
 
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NobbyNobbs said:
And FYI, that famous photo someone posted above of all the galaxies? I'm told that the amount of sky that represents is the amount covered by the eye of FDR on a dime held at arm's length. In the visible spectrum, that is.
Click to expand...

:eek:

Would that be something like this big? -> .

How many of those pictures are needed to cover the whole visible universe?
 
makaya325 said:
Bell, my guess: Not many
Click to expand...

I'm hoping you misunderstood my question.

The visible universe is all around us, and we are at the center of the visible universe. Imagine it to be a big sphere. How many pictures of the size of a dot do you NOW think are needed to cover that entire sphere?
 
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