Ligo

In a sense, neutron star mergers are the largest hadron colliders ever conceived.Image by NASA Goddard Space Flight Center / Flickr This month, before LIGO, the Laser Interferometer Gravitational Wave Observatory, and its European counterpart Virgo, were going to close down for a year to undergo upgrades, they jointly surveyed the skies. It was a […]

The inside story of the gravitational wave signal injection.

 The galaxy known prosaically as M87 doesn’t look like much. Unlike beautiful spiral galaxies (including the Milky Way), M87 appears as an orangish blob of stars through telescopes. Its only noticeable feature is the long streamer of gas emanating from the galactic center. Nautilus Members enjoy an ad-free experience. Log in or Join now . […]