[Page no. 8.4.2]

[Title: Habitable Exoplanets]

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What are the chances that Life may have developed on exoplanets and may persist over a significant period of time?

At this moment, it is considered most probable that Life, if indeed present in other planetary systems, will be located on Earth-like planets. However, it is, at least in theory, also possible that it will be found on some of the moons in orbit around exoplanets.

A first possibility is to look for planets in the "habitable" zone" that is, at a distance from the central star where water may exist in its liquid form.

[This page will be expanded at a later moment!