![The speed of light in a vacuum is 186,282 miles per second (299,792 kilometers per second), and in theory nothing can travel faster than light. - Did You Know? The speed of light in a vacuum is 186,282 miles per second (299,792 kilometers per second), and in theory nothing can travel faster than light. - Did You Know?](http://didyouknowstuff.com/uploads/images/image_1920x_5b1eeace5b828.jpg)
The speed of light in a vacuum is 186,282 miles per second (299,792 kilometers per second), and in theory nothing can travel faster than light. - Did You Know?
![Black hole, illustration. A black hole is an object (usually a collapsed star) so compact that nothing can escape its gravitational pull. Not even light. On Earth an object needs to be Black hole, illustration. A black hole is an object (usually a collapsed star) so compact that nothing can escape its gravitational pull. Not even light. On Earth an object needs to be](https://c8.alamy.com/comp/MG9ANM/black-hole-illustration-a-black-hole-is-an-object-usually-a-collapsed-star-so-compact-that-nothing-can-escape-its-gravitational-pull-not-even-light-on-earth-an-object-needs-to-be-launched-with-a-speed-of-11-kilometres-per-second-if-it-is-to-escape-the-planets-gravity-and-go-into-orbit-but-the-escape-velocity-of-a-black-hole-exceeds-the-speed-of-light-since-nothing-can-travel-faster-than-this-ultimate-speed-black-holes-suck-in-everything-including-light-which-make-them-utterly-dark-and-invisible-MG9ANM.jpg)
Black hole, illustration. A black hole is an object (usually a collapsed star) so compact that nothing can escape its gravitational pull. Not even light. On Earth an object needs to be
![L 30 Light and Optics [1] Measurements of the speed of light: 186,000 miles per second (1 foot per nanosecond) light propagating through matter – transparent. - ppt download L 30 Light and Optics [1] Measurements of the speed of light: 186,000 miles per second (1 foot per nanosecond) light propagating through matter – transparent. - ppt download](https://slideplayer.com/slide/15751975/88/images/3/Measurement+of+the+speed+of+light.jpg)
L 30 Light and Optics [1] Measurements of the speed of light: 186,000 miles per second (1 foot per nanosecond) light propagating through matter – transparent. - ppt download
![Sollatek auf Twitter: "Did you know electricity travels at the speed of light - more than 186,000 miles per second! #sollatekfacts https://t.co/r6XRHdgPAL" / Twitter Sollatek auf Twitter: "Did you know electricity travels at the speed of light - more than 186,000 miles per second! #sollatekfacts https://t.co/r6XRHdgPAL" / Twitter](https://pbs.twimg.com/media/CmIQtrnWIAAayqN.jpg)