The center of our Milky Way galaxy. Image credit: NASA. Click to enlarge Astronomers are studying nearby “luminous infrared galaxies” to get a better idea of what extremely distant galaxies might look like. Some of these galaxies are 1/50th the size of the Milky Way (2000 light-years across), but they have the same amount of … Continue reading "Extreme Galaxies Help Explain the Early Universe"