Ask the Atheist

Line breaks aren't working for you because the formatting in the answers isn't implemented for the question field (hint hint, powers that be).

As usual I'm going to be very general here because I am not a scientist, but I will try to include key points you can google later.

The number one method young-Earth creationists use to make a young earth plausible in light of geological and paleontological realities is to exploit the most catastrophic world-changing event in the Bible set chronologically between Creation and Armageddon: Noah's flood. This is the raison d'etre of so-called flood geology.

The flood, they claim, carved out the Grand Canyon, wiped out all of the animals we only see today as fossils, and laid down all the strata in quick succession as sediment.
To put it mildly, there are a multitude of potential problems with this.

One is the rigid position of all animals worldwide in the strata. In the chaos of a planet overwhelmed by rushing water, why are all specimens in a given extinct species (say, trilobites) found in the same layer instead of all over the place?

There's one clever explanation that simple animals were drowned first, followed by successively more advanced animals who could fly or were more agile. So the higher they are the longer they held on, and the more evolved they "appear". However you'd expect millions of exceptions to this, for example a small reptile holding onto a floating log. There are many claims of objects found out of sequence, like petrified trees penetrating many strata, but no proven anomalies yet.

Radiocarbon dating is the most straightforward method of disproving the young earth. Using basic laws of nuclear physics, it regularly establishes the age of objects as tens of thousands to millions of years old. Even one such object would prove the earth to be least that old, but this happens all the dang time.

Therefore, of course, there's a huge effort by creationists to discredit radiocarbon dating completely and utterly. There are large margins of error sometimes, but when you're only trying to make sure something is older than six millennia, an error of millions of years out of greater millions hardly matters.

What many don't know is that there are many different forms of dating, based in principle on the initial carbon method but using other particles. Some of these have indeed been found unreliable and are no longer in use (and are publicised by some creationists to represent the whole field as a failure) but this does not reflect upon the methods still used.

Similar to this geological argument between young-earth creationists and everybody else is the astronomical argument. There are objects greater than 6000 light years away, such that if the universe were that young, light from them wouldn't have reached us yet.

One creationist has developed a bigger cousin to flood geology, namely white hole cosmology. WHC assigns different time speeds to different areas, so that six thousand years here is billions of years at the edge of the universe. Besides WHC, there are other ideas involving light moving faster than the speed of light itself. Needless to say, these ideas as applied in this way are without support in mainstream science.

The first thing I'd throw at them in your situation, Healy, is those distant objects in space. White hole cosmology isn't nearly as well-rehearsed as flood geology, and the responses tend to sound really cool in a sci-fi B-movie sort of way. It might be fun. Either that, or they might concede an old universe and concentrate on a young Earth, which is not a very stable position.

- SmartLX

I'm assuming you mean that everything must have a cause.

Even science isn't so solid on causes anymore, having so far failed to find a cause for the probabilistic quantum mechanics of particles even while predicting them to within microscopic distances.

But let's assume everything generally does need a cause. If it's unreasonable to say that the universe doesn't need a cause, how much more reasonable is it to say that its precursor, its cause, doesn't need a cause itself? Is an eternal universe harder to imagine than an eternal god?

If we assume anything with a beginning needs a cause, something must be eternal and you can't escape that by putting in a god. At least we have some reason to suspect that the universe is eternal, as we know matter and energy exist and they can't be created or destroyed. Basic conservation law. Not really knowing jack about gods, we have no equivalent basis for their existence, let alone their infinite age. Given the initial assumption, I'm going with an eternal universe.

- SmartLX

The thing to remember is that someone having a near death experience is, obviously, near death. The brain is in a panicked state. It hallucinates, or dreams, of happy or fantastical things to get away from reality and pain. Since the person knows on some level that death is nearby, thoughts are likely to turn to the afterlife and whatever concepts of it the person has been exposed to. Of course Heaven and Hell are going to figure heavily in these hallucinations. Contrary to what you suggest, I think people simply have Heaven and Hell in mind when they have their NDEs.

- SmartLX

For the sake of the discussion, did God cause himself to exist? Is that not absurd too? Has he reached heat death?

If the universe has existed forever, it's an isolated, closed system by definition (since there's nothing which is not within it) so it can break even. If it hasn't always existed, why can't something simpler than a god have brought it about? Why do you discount simpler matter or energy reactions, or a previous universe, and jump straight to a fully formed, sourceless intelligence? He's even harder to explain than the universe is.

In general, why don't you apply your questions on the origin of the universe to the origin of God? Is it just a no-go zone?

Jumping to evolution, it does represent a decrease in local entropy. So does building a tower out of Lego: There was no order to the blocks, and now there is some. Would you say it's impossible to build Lego structures, or indeed to build anything at all from unordered pieces? Of course not. You think God did just that.

The key word here is "local". Within a system, entropy can decrease in one area if it increases by at least that much elsewhere. In the case of the Lego, entropy increases in your body as food is dissolved and digested. This gives you the energy to move the blocks.

So a transfer of energy can decrease local entropy enough to create order and complexity. The ultimate energy source for evolution, like nearly all earthly processes, is the sun. Earth's isolated system must of course include the sun. Its explosive fusion reactions increase entropy far more than the natural process of evolution decreases it, so no laws of physics are broken.

Thermodynamics and evolution are perfectly compatible, or else evolution would have been struck down in Darwin's lifetime; research towards entropic principles began around 1803.

So that's why we've heard the Argument from Thermodynamics a lot and yet we're still atheists.

- LX