Latest Asymptotic giant branch Stories
Large stars can end their lives as violently cataclysmic supernovae. Small stars, in contrast, end up as planetary nebulae—colorful, glowing clouds of dust and gas. These nebulae were once thought to be mostly spherical.
An international team of astronomers published a paper in the journal Nature detailing how the amount of sodium in a star will help predict how its life will end.
An international team of scientists led by University of Hawai'i at Mānoa Professor Ralf I. Kaiser, Alexander M. Mebel of Florida International University, and Alexander Tielens of Leiden Observatory in the Netherlands, discovered a novel chemical route to form polycyclic aromatic hydrocarbons (PAHs) – complex organic molecules such as naphthalene carrying fused benzene rings – in ultra-cold regions of interstellar space.
About 5 thousand million years from now, our Sun will expand into a red giant, swelling to such a size that it may swallow the Earth.