Science

Exoplanet Terminology Debated in Scientific Community

Updated 2026-08-21 12:10 UTC 1 source Neutral

Scientists debate the use of 'Earth-like' to describe exoplanets, arguing that current definitions are too vague and need refinement. The discussion highlights ongoing research into planetary science.

Coverage timeline — 2 articles

Scientific American

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Scientific American

‘Earth-like’ exoplanets may exist—but we don’t know of any yet

Claiming an exoplanet to be “Earth-like” is a trend that needs to bite the dust

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