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Sara Seager

As seen in: CNN, Nature, The Guardian, JSTOR Daily, MDPI, PNAS, Quartz, SPACE.com, Science Magazine, Big Think and
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Articles

The biggest obstacle to discovering life beyond Earth

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By Sara Seager
| Big Think Verified
Astrophysicist Sara Seager has redefined how we search for life, shifting the focus from definitive proof to the subtler, messier realm of possibility. By detecting biosignature gases — molecules that might indicate life in a planet’s atmosphere — her work explores what discovery looks like when certainty isn’t guaranteed. Volcanic gases and unknown chemistry can mimic life’s signals, meaning we may never get a perfect answer. But Seager sees beauty in that ambiguity.
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We’ve been looking for life. Here's why we should look for intelligence instead

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By Sara Seager
| Big Think Verified
Astrophysicist Sara Seager has spent decades expanding how we search for life beyond Earth: not by asking what we would look like out there, but by imagining forms of intelligence that may be utterly unlike our own. Her work explores “technosignatures” — physical clues of advanced life, from satellite swarms to artificial light.
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The observation of Earth-like exoplanets with ground-based telescopes and a shared orbiting starshade - Nature Astronomy

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By Ahmed Soliman, John Mather, Eliad Peretz, Sara Seager, Michel Mayor, Christophe Lovis, Stefan Noll, Stuart Shaklan, Stefan Kimeswenger, Michele Cirasuolo
| Nature Verified
Abstract Imaging Earth-like exoplanets around Sun-like stars from the ground is challenging and requires substantial advances in techniques. This Perspective presents and provides the predicted performance of a hybrid space–ground approach that combines a large ground-based telescope, such as the Extremely Large Telescope (ELT), the Thirty Meter Telescope (TMT) or the Giant Magellan Telescope (GMT), with a shared orbiting starshade in space.
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