About this document
Estimating Earth by Alstonia Epafras is a document available to read on EtoBox.
1. Scientists estimate the age of the Earth by measuring the ratios of radioactive elements in rocks. The oldest dated rocks are approximately 3.3 billion years old, though older rocks may exist. Tests on lunar and meteorite samples date the solar system at approximately 4.6 billion years old. 2. During the early bombardment period of the solar system approximately 4 billion years ago, impacts from other bodies would have affected Earth as evidenced on the Moon and other planets. On Earth, subsequent eros
- Author
- Alstonia Epafras
- Language
- EN