Galaxies, the cosmic cities of the universe, explained by astrophysicist
Home News Science & Astronomy The spiral galaxy M81 is located about 12 million light-years away from Earth. (Image credit: X-ray: NASA/CXC/SAO; Optical: Detlef Hartmann; Infrared: NASA/JPL-Caltech) Paul M. Sutter is an astrophysicist at SUNY Stony Brook and the Flatiron Institute, host of Ask a Spaceman and Space Radio, and author…
bubmagApril 15, 2021