Leonardo A. dos Santos

Astronomy & Astrophysics PhD candidate at the Geneva Observatory and member of the Exoplanets Group. Former graduate student at the University of São Paulo. Leonardo studies the atmospheres of exoplanets, Sun-like stars and their physical properties, and develops astronomical software.

Sun-like stars

Sun-like stars

The Sun is the star that is right in our backyard, and because of that, we know it really well. When we study stars similar to the Sun, we can infer a lot more precisely about them just by comparing them with the Sun. Thumbnail credit: DSS.

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Exoplanets

Exoplanets

We have so far discovered thousands of exoplanets, and the list only grows larger and larger. But planets are small and cold, and stars can even mimic planet signals, so studying them is a tricky, but rewarding, job.

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Instrumentation

Instrumentation

Observational astronomers are mostly limited by the quality of their instruments, and the field of instrumentation is responsible for allowing us to peer further and further into the confines of the universe.

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