So this is pretty cool! Researchers just discovered a very large, but very dim dwarf galaxy right in our own backyard! There are some questions as to how this mysterious “ghost galaxy” is able to be so large and so faint (usually galaxies shrink as they lose stars).
You can read more about Antlia 2 here: https://news.sky.com/story/astronomers-discover-ghost-galaxy-near-milky-way-11553834
Iron in the Sand 