Light could travel seven and a half times around the world in one second.
Light cannot travel around the Earth, since light travels at a straight line and the Earth is round. The speed of light is 300,000 kilometers per second.
The speed of light in air is approximately 350 meters/second. It is not constant; it depends on pressure, temperature, and humidity.
None. In the absence of an extremely strong gravitational field, like that of a black hole, light will travel in a straight line. It cannot, therefore curve around the world. In vacuum, in one second light can cover the distance equal to 7.5 times around the world.
If light were to go in a circle around the earth it would go around the earth about 7 3/4 times in a second.
Light travels at 300,000 km/sec. (in a vacuum). That is enough to go 7 1/2 times around the Earth in a second (but note that light has a natural tendency to go in a straight line).
Light's contribution to Science was when the scientists realised how fast light can travel around the world.
Sir Francis Drake
Light can travel once around the earth in .00013358 seconds.
About 30 kilometers / second.
The radio waves from a lightning stroke travel at the speed of light, you can hear them as clicks on a long-wave radio, and they travel round the world in 1/7th of a second.
he was the second person to travel around the world
Light doesn't actually go around the Earth; light travels in generally straight lines. But if light DID go around the world, it could go around the world seven times in just less than one second.