Gravitational waves heard as universe’s sound track
A global team using the LIGO observatory detected a gravitational wave from colliding black holes 1.3 billion light years away. The signal, confirmed with strong odds and announced at a news conference, promises future discoveries and a new era in astronomy.
Discovery team scientist comments on sky and music
Szabolcs Marka of Columbia University, an astrophysicist on the discovery team, notes that focusing on the skies initially meant missing the music and that the skies will never be the same.
Gravitational Waves From Black Hole Merger Disturb Space
Scientists describe gravitational waves as faint ripples from violent events. The waves observed originate from a merger of two black holes 1.3 billion light years away, depicted as a mesh net being stretched to illustrate the distortion in space and time.
Space-time and gravity in cosmic collisions
Space-time blends time with three spatial dimensions to map the universe. General relativity links gravity to mass bending space-time, while dense objects such as black holes or neutron stars merging unleash immense gravitational effects.
MENTIONED IN THIS ARTICLE
Penn State
Abhay Ashtekar
Stephen Hawking
LIGO
BBC
Albert Einstein
Gravitational Wave Discovery Backed by Peer Review
A global team of 1004 scientists used audio like recordings of spacetime ripples to confirm a gravitational wave. They tested false data injection, found no signs of manipulation, and had results peer reviewed and published in Physical Review Letters.
MENTIONED IN THIS ARTICLE
LIGO
Reitze
National Science Foundation
California Institute of Technology
Massachusetts Institute of Technology
Hanford
Washington
Livingston
Louisiana
Milky Way
Chad Hanna
Pennsylvania State University
Physical Review Letters
Kip Thorne
Cal Tech
Observatory
Journal
Scientists confirm real detection after months of checks
Astronomers spent nearly five months reviewing the discovery since Sept. 14, ruling out Earth bound interference and noise. They spect more waves to ensure accuracy and anticipate more detections, with upgrades to hear fainter signals from distant sources.
MENTIONED IN THIS ARTICLE
Pere
Gravitational Waves Detected From Black Hole Collision
An international team reports that a $1.1 billion set of instruments detected a faint gravitational wave last September from two merging black holes. The signal, a single chirp, confirms a historic moment allowing astronomers to observe the universe in action and “hear” cosmic events.
MENTIONED IN THIS ARTICLE
Columbia University
Szabolcs Marka
Discovery
LIGO
Earth
Einstein
National Science Foundation
France Cordova
Louisiana State University
Gabriela Gonzalez
Galileo
Also Mentioned on This Page
Seth Borenstein
The
Associated Press
Marc Kamienkowski
Johns Hopkins University
David Reitze
Sto
General Theory of Relativity