Gravitational lens shows a galaxy just 800 million years post-Big Bang

Despite being incredibly poor in heavy elements, LAP1-B has an unusually high amount of carbon; its carbon-to-oxygen ratio is higher than our Sun’s. The researchers think the answer might lie in how these massive first-generation stars died. According to our models, when a massive, Population III star reaches the end of its life, its core collapses into a black hole, but the resulting supernova explosion isn’t energetic enough to blow the entire star apart. …