A technique for detecting exoplanets by measuring a star's dimming as a planet passes in front. The most successful detection method, with Kepler alone discovering thousands. It reveals planet size, orbital period, and sometimes atmospheric composition.
A planet orbiting a star outside our solar system. Thousands have been found since the first confirmed discovery in 1992...
The region around a star where liquid water could exist on a planet's surface, often called the Goldilocks zone. It vari...
The study of the interaction between matter and electromagnetic radiation. In astronomy, it reveals composition, tempera...
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