Two Planets Forming Around Young Star Mirror Early Solar System

Scientists have discovered two baby planets growing around an infant star 437 light years away, giving us an unprecedented window into our solar system's ancient past.

The star, called WISPIT 2, is just 5.4 million years old. That might sound ancient, but compared to our 4.6 billion-year-old sun, it's practically newborn.

Researchers spotted two forming planets, WISPIT 2b and WISPIT 2c, embedded in the swirling disk of gas and dust surrounding the young star. The larger planet orbits at a distance 60 times farther from its star than Earth is from the sun, while its sibling sits closer in at about 15 times Earth's distance.

"WISPIT 2 is the best look into our own past that we have to date," said Chloe Lawlor from the University of Galway in Ireland, who led the discovery team. The system shows distinct gaps and bands in its protoplanetary disk that hint at even more planets currently forming.

This marks only the second time astronomers have successfully detected two planets actively forming around the same star. Unlike the other known system, PDS 70, WISPIT 2 features an extended disk with clear structural patterns that make it ideal for studying planetary birth.

The team used the Very Large Telescope in Chile and its newly upgraded GRAVITY+ instrument to confirm the discoveries. As the planets orbit their star, they carve grooves in the surrounding disk, sweeping up material like cosmic vacuum cleaners to fuel their growth.

Why This Inspires

This discovery transforms our understanding of planetary formation from theory into observable reality. For the first time, scientists can watch the same processes that created Earth, Jupiter, and the rest of our cosmic neighborhood unfolding in real time around another star.

The research team has already spotted evidence of a potential third planet lurking in the outer reaches of the system. They hope future observations with Chile's Extremely Large Telescope, currently under construction, will reveal this Saturn-sized world and possibly others.

Seeing these baby planets taking shape reminds us that world-building is happening throughout the universe right now. The planets we're watching form today might someday harbor their own stories of life and discovery.