An international research team, mostly comprised of scientists from the National Observatory of Athens, has observed a massive star undergoing a rare transformation that may precede a supernova explosion, potentially leading to the formation of a black hole.
An international team of researchers, largely composed of scientists from the National Observatory of Athens, has been observing one of the largest stars in the Universe, known as WOH G64, as it undergoes a significant transformation into a rare type of star. This transformation could be an early indication of a powerful supernova explosion, which may eventually result in the formation of a black hole. The star is situated approximately 163,000 light-years away from Earth in the Large Magellanic Cloud, a satellite galaxy of our Milky Way.
WOH G64 is remarkable not only for its immense size, with a radius about 1,540 times greater than that of the Sun, but also for its mass, which is nearly 30 times greater, and its luminosity that is approximately 282,000 times greater than that of the Sun. Discovered in the 1970s, this star has long been recognized as an extreme red supergiant. The current observations shed light on key processes occurring in the final stages of stellar evolution, particularly for massive stars that are nearing the end of their lifecycle.
This research highlights the complexities of stellar evolution and the significant impacts that such massive stars have on their surrounding environments. As WOH G64 transforms, understanding its final moments could provide invaluable insights into the mechanics of supernova explosions and the conditions that lead to black hole formation, contributing to our broader comprehension of the life cycle of stars and cosmic phenomena.
