black hole

What happens when one black hole meets another? Professor Kip Thorne
shows us how to eavesdrop on these cosmic events by watching for
telltale gravitational waves.
Tags: gravity : interference : curvature of space : gravitational wave detector : black hole : Schwarzchild singularity : laser interferometry : Big Bang : cosmic microwave background radiation

Plus is very proud to present Professor Stephen Hawking's own
Birthday Symposium address.
Tags: gravity : cosmology : black hole : Big Bang : String theory : M-theory : entropy : general relativity : relativity : inflation : singularity theory : Cauchy surface : cosmic censorship : quantum gravity
This issue of Plus is a special, marking the occasion of Stephen Hawking's
60th birthday. Plus attended his
Birthday Conference in
Cambridge, where
we interviewed some of the world's most influential mathematicians and
physicists.
Tags: gravity : cosmology : curvature of space : Grand Unified Theory : black hole : Big Bang : quantum mechanics : general relativity : relativity : time travel : wormhole

Using their X-ray vision, astronomers have for the first time found
two black holes in the same galaxy, and taken a peek inside a neutron star.
Tags: black hole : binary star : neutron star : equation of state : gravitational redshift