[metmom]

That’s not acceptable unless you can tell us the source of the meteorites.

[stormer]

Why? The chemicals involved are virtually universal - created in the first moments of the big-bang. Remember, matter is neither created or destroyed.

[xcamel]

See post 159.

[Wacka]

Recently, it was shown that Uracil (taked teh place of Thymine in RNA can be produced under conditions in outer space.
Science to pyrimidine (the precursor to Uracil) which has been shown to exist in space, to low temps (near absolute zero, with water (ice) which has been is very abundant in space, on the moon and Mars, and subjected it to radiation (simulating cosmic rays). They found that Uracil was produced.
One of the building blocks of RNA could possibly be produced in space.

As CSNY said “We are stardust, we are golden, we are billion year old carbon...”