Astronomers have identified a planet candidate that may have formed from material expelled by a dying star. Discover how unusual chemical clues and a repeating signal could reveal a new chapter in planetary formation.
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Astronomy
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A Cold Lava Planet Could Reveal What Earth Looked Like Billions of Years Ago
Astronomers studying the rocky exoplanet HD 3167 b have found evidence suggesting it may retain an atmosphere despite orbiting extremely close to its star. The discovery could help scientists understand the fiery conditions that shaped Earth in its earliest years.