
Astronomers have achieved a groundbreaking first by directly photographing a planet actively forming within a multi-ringed disk around a Sun-like star, providing unprecedented evidence of planetary birth that validates fundamental theories about how worlds come into existence.
Story Highlights
- First unambiguous detection of a planet embedded in a multi-ringed protoplanetary disk around a Sun-like star
- WISPIT 2b, a gas giant five times Jupiter’s mass, captured actively accreting material 430 light-years from Earth
- Advanced telescopes in Chile and Arizona confirmed the discovery using both infrared and hydrogen emission imaging
- System resembles our early solar system and establishes a benchmark for future planet formation studies
Historic First in Planetary Science
International astronomers using the Very Large Telescope in Chile’s Atacama Desert directly imaged WISPIT 2b, a young planet still forming within gaps of a dusty disk surrounding its host star. This achievement marks only the second confirmed detection of a planet at such an early evolutionary stage around a Sun-like star, with the first occurring in 2018 but lacking the multi-ringed disk structure. The discovery validates decades of theoretical models about planet formation while providing the first clear visual evidence of this cosmic process.
Advanced Technology Reveals Cosmic Birth
The WISPIT program utilized state-of-the-art adaptive optics and high-contrast imaging to overcome technical limitations that previously made such observations impossible. Follow-up observations with the Magellan telescope and MagAO-X system confirmed active gas accretion through hydrogen emission detection, providing what researchers call “smoking gun” evidence of ongoing planet formation. This technological breakthrough demonstrates American excellence in astronomical instrumentation, with the University of Arizona playing a crucial role in developing the imaging capabilities that made this discovery possible.
Implications for Understanding Our Origins
WISPIT 2, located 430 light-years from Earth, features multiple rings and gaps that closely resemble a scaled-up version of our early solar system. The system contains at least two planets and four distinct rings, offering researchers a unique laboratory for studying planet-disk interactions and material transport during planetary formation. This discovery provides direct evidence for long-held theories about how gas giants form and migrate within protoplanetary disks, potentially revealing insights about our own solar system’s formation billions of years ago.
Scientific Collaboration Drives Discovery
The breakthrough resulted from international collaboration between Leiden University, University of Galway, and University of Arizona, with support from the European Southern Observatory. Lead researcher Laird Close described the system as “an amazing system” offering a rare opportunity to study a growing protoplanet in real-time. The findings, published in the Astrophysical Journal Letters, establish WISPIT 2b as a benchmark system that will guide future observational and theoretical studies of planetary formation processes.
Planet birth photographed for the first time https://t.co/S3ywPU9ZMj
— Brandon Brumley ♐ (@BrandonBru18416) September 11, 2025
This discovery represents a triumph of human ingenuity and international scientific cooperation, advancing our understanding of cosmic processes that ultimately led to Earth’s formation and the emergence of life itself.
Sources:
Astronomers make unexpected discovery about planet formation
Astronomers discover a young planet forming around a sun-like star: WISPIT 2b
A remarkable discovery: Astronomers find 1st exoplanet in multi-ring disk around star
First ring-forming embedded planet discovered around a young sun-like star
Planet birth photographed for the first time