| [00:00:00.00] | [Orbiting black holes gradually grow closer and merge.] |
| [00:00:04.00] | [Orbiting black holes gradually grow closer and merge.] |
| [00:00:08.00] | |
| [00:00:12.93] | [Each black hole’s surface is an event horizon, from which nothing can escape – even light.] |
| [00:00:19.00] | [The orbital motion of the black holes warps nearby space-time.] |
| [00:00:24.00] | [Some of this warping stays close to the holes] |
| [00:00:29.00] | […while the rest travels outward,] |
| [00:00:34.00] | […weakening as it spreads out in space.] |
| [00:00:42.43] | [These outgoing weak distortions of space are gravitational waves |
| [00:00:48.00] | […traveling at the speed of light. We may detect the waves passing by Earth.] |
| [00:00:57.66] |