The ancient stardust reveals a ‘baby boom’ in star formation. Scientists have discovered the oldest solid material on Earth: 7-billion-year-old stardust trapped inside a meteorite. This stardust provides evidence for a ‘baby boom’ of new stars that formed 7 billion years ago, contrary to thinking that star formation happens at a steady, constant rate.
Stars have life cycles. They’re born when bits of dust and gas floating through space find each other and collapse in on each other and heat up. They burn for millions to billions of years, and then they die...
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