21 July 2026
Method used to discover an exoplanet called Beta Pictoris d might reveal other very dim exoplanets.
The extremely dim planet Beta Pictoris d (white arrow) orbits the same star as a brighter world called Beta Pictoris b (large circle, left of centre). Credit: ESO/B. Sutlieff, M. Bonse et al. (CC-BY-4.0)
By accident, scientists have discovered the faintest planet ever to be imaged by a ground-based telescope1 — an exoplanet that had gone undetected in photos for more than a decade.
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