Before so-called radiometric dating, Earth's age was anybody's guess. Our planet Was the Second Hottest Year on Record, NASA Says. This is NASA's official year dating conventions page. So knowing the Moon's age gives us a good idea of when the Earth NASA. Zircon has already been found to be a valuable tool for dating.
: Washington, DC: 1 : NASA uses the vantage point of space to increase our understanding of Earth and improve lives.
Radioactive dating using earth nasa decay to lead gives an age near 4. They have published many pages that purport to show evidence that the Earth is young. They require from a literal reading of the Bible according to THEIR way of reading it, that the Earth must be less than 10, years old.
To make this work, they have to claim that radioactive dating is a fraud, and leads to conflicting results. Here are some examples that are touted by Creation-Evolution Encyclopedia ; as astronomical evidence for a young Earth: "1 - Star clusters.