Amazing Cosmic Sirens and the Expansion of the Universe
Crisis in Cosmology! Check out how gravitational waves can be used as cosmic standard sirens in the difficult measurement of the Universe’s expansion rate, known as the Hubble constant.
Tagged: cosmology
Once Upon a Dynamo in the Early Universe
New simulations by University of Hamburg researchers & collaborators at Australian National University reveal a powerful turbulent dynamo acting in the early Universe. This dynamo could have rapidly amplified the initially weak cosmic magnetic fields...
