NASA | Alien Atmospheres

The video explores exoplanets, focusing on how astronomers study them using indirect methods. It explains the transit method to determine planet size and mass, and how light absorption reveals atmospheric composition. Case studies of Wasp-19b and GJ 1214b illustrate diverse exoplanetary atmospheres. Future research aims to find Earth-like planets with potential signs of life.

What methods do astronomers use to determine the characteristics of exoplanets?

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How does the transit of an exoplanet affect the light from its star?

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What information can be obtained from the absorption of light by an exoplanet's atmosphere?

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Describe the differences between the atmospheres of hot Jupiters and water worlds.

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What signs of life are astronomers looking for in the atmospheres of Earth-sized planets?

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