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NIRPS

Artist's depiction of a planet in retrograde motion. Credit - ESO/L. Calçada

Astronomers Identify Neptune-Sized Exoplanet Orbiting Red Dwarf Star in Opposite Direction

September 28, 2026 by Sophie Lin - Technology Editor

Astronomers have discovered a Neptune-sized exoplanet named GJ 3090 b that orbits its host red dwarf star completely backward.

Categories Technology Tags European Southern Observatory, Exoplanet Formation, GJ 3090 b, NIRPS, Red Dwarf Stars, University of Geneva Leave a comment

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