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Gravitational Waves
Ripples in the fabric of space-time caused by accelerating massive objects, such as merging black holes. These waves were first directly detected by LIGO in 2015.
Source: ligo.caltech.edu
APODs including "Gravitational Waves"
The Observable Universe
23/11/2025
The Doubly Warped World of Binary Black Holes
Video
06/05/2025
Simulation: Two Black Holes Merge
Video
10/05/2024
A Message from the Gravitational Universe
29/06/2023
Two Black Holes Dancing in 3C 75
05/06/2022
The Observable Universe
16/03/2022
A Road to the Stars
15/03/2022
Ninety Gravitational Wave Spectrograms and Counting
07/12/2021
GW200115: Simulation of a Black Hole Merging with a Neutron Star
Video
14/07/2021
The Doubly Warped World of Binary Black Holes
Video
16/04/2021
Fifty Gravitational Wave Events Illustrated
04/11/2020
Unusual Signal Suggests Neutron Star Destroyed by Black Hole
Video
03/09/2019
Simulation: Two Black Holes Merge
Video
14/04/2019
The Observable Universe
08/05/2018
Two Black Holes Dancing in 3C 75
22/10/2017
GW170817: A Spectacular Multi-Radiation Merger Event Detected
Video
16/10/2017
Black Holes of Known Mass
02/06/2017
Two Black Holes Merge
Video
12/02/2016
LIGO Detects Gravitational Waves from Merging Black Holes
11/02/2016
Advanced LIGO: Gravitational Wave Detectors Upgraded
07/02/2016
Two Black Holes Dancing in 3C 75
28/09/2014
Binary Black Hole in 3C 75
14/03/2010
Two Black Holes Dancing in 3C 75
09/11/2008
Binary Black Hole in 3C 75
12/04/2006
White Dwarf Star Spiral
01/06/2005
A Step Toward Gravitational Wave Detection
30/10/2000