Massive blue galaxies in the early universe present a dusty puzzle. Is the dust in these galaxies being ejected, or is it squirreled away in giant molecular clouds?
A new way to pick out dead galaxies may help us learn how star formation stops in the early universe.
How do you make a supernova without hydrogen and helium lines? The answer may surprise you! (It’s probably binary stars)
Today’s authors find that the edge of the Milky Way’s neighborhood might not be so empty after all.
Although galaxies have evolved a lot over the past ten billion years or so, the authors of today’s paper have found that some things never change.