Using the known rate of change in radio-active elements (radiometric dating), some Earth rocks have been shown to be billions of years old, while the oldest solar system rocks are dated at 4.6 billion years.Astronomers use the distance to galaxies and the speed of light to calculate that the light has been traveling for billions of years.Obviously both sides of this debate have agendas to promote, and that means that any summary you're likely to read was probably motivated by one agenda or the other.
Here we will describe just two types of evidence for an old Earth and two types of evidence for an old universe; more types can be found under further reading.Austin's paper or at any scholarly criticism of it, your eyes will quickly glaze over from the extraordinary detail and intricacy.So I thought this would be a great place to point Skeptoid's skeptical eye, and see how much of the chaff we can cut through to see what the bare facts of the case really are.Young Earthers point to an infamous dating error as evidence that the Earth is only as old as the Bible says.by Brian Dunning Filed under General Science, Natural History, Religion Skeptoid Podcast #146 March 24, 2009 Podcast transcript | Download | Subscribe Listen: Today we're going to point our skeptical eye at one of the key players in the debate between geologists and Young Earthers over the age of the Earth. Steven Austin took a sample of dacite from the new lava dome inside Mount St. The dacite sample was known to have been formed from a 1986 magma flow, and so its actual age was an established fact. Austin submitted the sample for radiometric dating to an independent laboratory in Cambridge, Massachusetts.