An artists’s impression of how common planets are around the stars in the Milky Way. ESO/M. Kornmesser

Explainer: How to find an exoplanet (part 2)

A look at some of the more obscure methods astronomers use to detect planets around other stars, in the second of a two-part series on finding world’s elsewhere in the universe.
In the Exoplanet Era, we are learning that planets abound in the cosmos. ESO/M. Kornmesser

Explainer: How to find an exoplanet (part 1)

Astronomers have discovered more than 3,000 planets around other stars, so far. In the first of a two-part series we look at how they find world’s elsewhere in the universe.

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