Some exploding stars shine so brightly that they can seem like they could turn night into day. Scientists call these superluminous supernovae—super-bright star explosions—and they can stay bright for a surprisingly long time.
Researchers have a new clue for how that could happen: a magnetar might be acting like a hidden power source. A magnetar is a neutron star, which is what can be left behind after a star is squeezed into an ultra-dense object. It also has an extremely strong magnetic field.
In the idea scientists tested, the supernova looks like a huge, expanding cloud of debris, and a fast-spinning magnetar sits in the middle. As it spins, it can feed energy into the cloud—kind of like a spinning top “battery” inside a lantern. Computer models showed this could create a special pattern in the supernova’s light: it brightens, glows strongly, and then slowly fades.
This matters because figuring out what powers these giant star events helps scientists understand how stars change over time. It also connects to how important ingredients like oxygen and iron get spread into space, where they can later become part of new planets and worlds.
Researchers have a new clue for how that could happen: a magnetar might be acting like a hidden power source. A magnetar is a neutron star, which is what can be left behind after a star is squeezed into an ultra-dense object. It also has an extremely strong magnetic field.
In the idea scientists tested, the supernova looks like a huge, expanding cloud of debris, and a fast-spinning magnetar sits in the middle. As it spins, it can feed energy into the cloud—kind of like a spinning top “battery” inside a lantern. Computer models showed this could create a special pattern in the supernova’s light: it brightens, glows strongly, and then slowly fades.
This matters because figuring out what powers these giant star events helps scientists understand how stars change over time. It also connects to how important ingredients like oxygen and iron get spread into space, where they can later become part of new planets and worlds.