3. 7-billion-year-old rocks reveal how Earth and the Moon were born

Key Highlights

• Rocks studied are 3.7 billion years old and located in Australia.
• The research indicates that Earth's continents began forming long after the planet's initial creation.
• A significant cosmic impact is believed to have resulted in the Moon's formation.
• The rocks showed remarkable similarities to lunar samples from Apollo missions.
• The study supports existing theories about the Earth-Moon formation process.