
How Space Telescopes Find and Study Exoplanets
A guide to the chain of measurements connecting a faint astronomical signal to a planet, from transit surveys to atmospheric follow-up and its limits.
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A guide to the chain of measurements connecting a faint astronomical signal to a planet, from transit surveys to atmospheric follow-up and its limits.

The European Space Agency announced March 30 that its Gaia astronomical observatory had identified its first transiting exoplanet.