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Originally posted by Phage
Except that it took about about 4.2 billion years for dinosaurs to appear on Earth.
Mars has been a very dry place for at least 1-2 billion years so unless evolution worked a whole lot faster on Mars, it's not likely that any dinosaurs were walking around on it.
Originally posted by SheopleNation
I understand that scientists use calculations in regards to finding out how long it took the Earth to cool from it's original molten state, and that the earlier conclusions were in the millions ...
Originally posted by SheopleNation
...more modern methods that now focus on the decay of atoms of one chemical element changing into another
We may all be Martians
Originally posted by firefight
reply to post by PtolemyII
Here is 1968 sci fi movie with just that premise
5 MILLION YEARS TO EARTH (Also known as QUATERMASS AND THE PIT)
Enjoy
viooz.co...
Originally posted by Phage
reply to post by kdog1982
It's also fascinating that the amino acids which comprise DNA are found in space. Leads to the possibility that most (if not all) life may be DNA coded just as it is on Earth.
Originally posted by kdog1982
Originally posted by Phage
reply to post by kdog1982
It's also fascinating that the amino acids which comprise DNA are found in space. Leads to the possibility that most (if not all) life may be DNA coded just as it is on Earth.
The question I pose,is,where there that coding come from? Natural or other.
No reason it can't be natural.
www.abovetopsecret.com...
Originally posted by kdog1982
Originally posted by EA006
reply to post by kdog1982
Maybe they were more advanced than us so if survivors made it to earth then they could still be here?
The are basically saying the building blocks for life could have come from Mars.
My question is how did those blocks get to Mars?
Originally posted by Phage
reply to post by SheopleNation
Think about this, Dinosaurs could have existed on Mars.
Except that it took about about 4.2 billion years for dinosaurs to appear on Earth.
Mars has been a very dry place for at least 1-2 billion years so unless evolution worked a whole lot faster on Mars, it's not likely that any dinosaurs were walking around on it.
Originally posted by alfa1
Originally posted by SheopleNation
I understand that scientists use calculations in regards to finding out how long it took the Earth to cool from it's original molten state, and that the earlier conclusions were in the millions ...
For those who have not read about it, this was a simple experiment but the best that one could do in the 1860's. It involved heating up some steel balls of various sizes to a red hot temperature, and timing how long they take to cool.
Then, you extrapolate this massively to a ball the size of the earth, and calculate how long it would cool if it started out red hot, just like the little steel balls did.
Not an accurate method, but Lord Kelvin should be applauded for trying it. 1862.
Originally posted by SheopleNation
...more modern methods that now focus on the decay of atoms of one chemical element changing into another
Yes, radiometric dating.
But also, it affected Lord Kelvin's experimental result of 20-400 million years because radioactivity had not yet been discovered, and thus he could not possibly know of the extra heat generated by it.
edit on 29-8-2013 by alfa1 because: (no reason given)
Mars has approximately half the diameter of Earth. It is less dense than Earth, having about 15% of Earth's volume and 11% of the mass. Its surface area is only slightly less than the total area of Earth's dry land.[6] While Mars is larger and more massive than Mercury, Mercury has a higher density. This results in the two planets having a nearly identical gravitational pull at the surface – that of Mars is stronger by less than 1%
Originally posted by Phage
reply to post by Lady_Tuatha
No.
With the apparent ubiquity of amino acids even life as we don't know it could be given a head start. DNA does a very good job of what it does.
edit on 8/29/2013 by Phage because: (no reason given)
doesn't it follow that Mars cooled WWWAAAAAYYYY earlier than earth, like billions of years earlier?
Not the same path, certainly. But why do you think it would proceed at a much faster rate, especially in its early stages?
in addition martian evolution would in no wise or way follow the same paths/time-spans/adaptations
as earth.