Resources · The concept
Space glossary
The words of space, explained simply and without jargon, with concrete examples and the pitfalls to avoid.
Terminology index· 3 terms
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All terms
Biosignature
avance Astronomie
A measurable clue that could reveal past or present biological activity.
Not to be confused with: Habitability, which describes a favorable environment without proving life.
Exoplanet
debutant Astronomie
A planet orbiting a star other than the Sun.
Habitability
intermediaire Astronomie
The capacity of an environment to bring together the conditions for life: liquid water, energy, chemistry.
Not to be confused with: Inhabited: the actual presence of life, never assumed in advance.