This light dimming was seen in March each year. When scientists traced it, they found TOI‑1846 b in the Lyra constellation in the northern sky. The size and weight of the planet put it in what scientists call the “radius gap”—a rare group of planets that are in between small, rocky ones like Earth and big gas planets like Neptune.

Astronomers have detected a giant exoplanet—between three and ten times the size of Jupiter—hiding in the swirling disk of gas and dust surrounding a young star.