Meteorite contains the oldest material on Earth: 7-billion-year-old stardust

Meteorite contains the oldest material on Earth: 7-billion-year-old stardust

Scientists just discovered the Earth’s oldest material: 7 billion-year-old stardust preserved in a large, hard meteorite that impacted our planet half a century ago. Stars have lives. They form when particles of dust and gas traveling through space collide,...