A faint, cold gas giant named Beta Pictoris d has been directly imaged orbiting the young star Beta Pictoris, marking the dimmest planet ever directly detected from Earth.

The planet, slightly larger than Jupiter, completes an orbit every 91 years and sits in a system about 20 million years old, offering a view into a planetary system still stabilizing after formation.

Beta Pictoris d lies farther from its star than the system’s other known planets, at more than twice the distance of Beta Pictoris b, making direct imaging particularly challenging due to faint light and stellar glare.

The discovery highlights the value of archival data and suggests more objects may be uncovered in existing observations.

Two independent detections occurred almost simultaneously, emphasizing the direct imaging achievement over indirect methods.

The finding is formally presented in The Astrophysical Journal Letters, with a DOI provided.

The case underscores repeated observations and advanced instrumentation’ role in detecting hard-to-image planets, hinting at many more lower-mass worlds awaiting future observatories like the ELT.

Two independent teams—one European Southern Observatory’s VLT group and a California-led JWST group—announced the discovery after confirming the planet’s orbit from archival data and new observations.

The two teams identified the planet within days of each other late last year using different telescopes.

Initial detection and confirmation involved the VLT, with the JWST also identifying the planet.

Because the planet was visible in archival images, follow-up observations were not necessary, highlighting archival data’s potential to reveal more objects.

Directly imaged exoplanets in multi-planet systems offer crucial insights into formation and evolution, and improvements in instrumentation will reveal more hidden worlds.