As you may have noticed, above you will find words for "A supernova whose spectrum lacks, or is highly deficient in, hydrogen lines, and where the star has already blown away its outer hydrogen envelope, having exposed the lower enveloping helium layer, prior to the explosion.". Hover the mouse over the word you'd like to know more about to view its definition. Click to find a better fitting word. Finally, thanks to ChatGPT, the overall results have been greatly improved.