Scientists have caught a supermassive black hole in the act of eating — and the meal looks like an S-shaped swirl of gas spiraling down into the void. Using the James Webb Space Telescope, an international team got their clearest look ever at the feeding process that keeps these cosmic giants alive. The findings, published in The Astrophysical Journal Letters, confirm a theory astronomers have had for decades but could never prove until now. Nearly every large galaxy in the universe has one of these black holes at its center, millions or even billions of times heavier than our sun. When they pull in surrounding material, they blast out powerful jets of energy that shape their entire galaxy. But how do they keep eating if their own jets heat up and shut off their food supply? The new images from JWST provide the answer. The telescope stared at galaxy NGC 4696 — the heart of the Centaurus Cluster, roughly 145 million light-years away — for nearly eight hours. At that distance, the images were sharp enough to pick out features just 30 light-years across, a tiny sliver of a galaxy that spans hundreds of thousands of light-years. The observations revealed a spinning disk of gas wrapped around the black hole, stretching nearly 800 light-years wide. Gas in the disk races around at up to 600 kilometers per second. Crucially, the disk appears connected to long streamers of gas, called filaments, reaching outward into the galaxy. The data showed gas flowing along those filaments and pouring directly into the disk. "It's been really exciting to participate in this project," said Mark Voit, a physics and astronomy professor at Michigan State University. "Calculations done by our Michigan State group predict that magnetic fields should help feed the universe's biggest black holes by channeling cool gas toward them, and it's amazing to see that happening in these JWST images." The team, led by researchers at the Université de Montréal with help from Michigan State University, also ran state-of-the-art computer simulations of the system. The simulated gas behaved almost exactly like what JWST observed, giving the theory strong independent support. The cycle appears to be self-regulating. The black hole's jets heat surrounding gas, which eventually cools, collapses into filaments and falls back inward. Magnetic forces slow the gas's spin, steering it toward the center. It piles up into a disk, feeds the black hole, and the jets fire again. With this new view, astronomers have closed the loop on a question that has puzzled them for 50 years — and the James Webb Space Telescope keeps showing us parts of the universe we never knew existed.

800 light-years Gas disk size
600 km/s Gas speed
30 light-years Image sharpness
145 Million light-years Galaxy distance
8 hours Observation time