[93] These may well alternatively evolve to the Wolf–Rayet star, characterised by spectra dominated by emission strains of aspects heavier than hydrogen, which have attained the area as a consequence of potent convection and intense mass decline, or from stripping on the outer layers.[94] The reflection nebula NGC 1999 is https://aikido-history60481.blogthisbiz.com/43185719/considerations-to-know-about-resort