Tag: habitable zone

Are we alone? The search in exoplanets for life beyond earth

Are we alone? The search in exoplanets for life beyond earth

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Until the mid-1990s, the question of planets beyond our solar system was largely left to science fiction. Then, in 1995, Swiss astronomers Michel Mayor and Didier Queloz discovered 51 Pegasi b, a planet orbiting a star 50 light-years away. It was a gas giant, nothing like Earth, but it opened the floodgates.  Today, thanks to […]

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Why it’s too early to celebrate signs of alien life on K2-18b

Why it’s too early to celebrate signs of alien life on K2-18b

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This new weekly column seeks to bring science into view — its ideas, discoveries, and debates — every Tuesday. We’ll journey through the cosmos, across the quantum world, and alongside the tools that shape our understanding of reality. K2-18b, orbiting a red dwarf star in the constellation Leo, is located about 120 light-years away. It […]

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