Use in astronomy

Unit | Definition | Distance |
---|---|---|

light-second | 2.998×105 km | |

light-minute | 60 light-seconds | 1.799×107 km |

light-hour | 60 light-minutes = 3600 light-seconds | 1.079×109 km |

light-day | 24 light-hours = 86400 light-seconds | 2.590×1010 km |

3 more rows

## How far can light travel in one minute in meters?

1 Light minute is 1.798 754 748 x 1010 meters (SI unit). Distance light travels in a vacuum in one minute.

## How far does light travel a day?

It is defined as the distance that light travels in free space in one day (or 86,400 light-seconds), and is equal to 2.590206837×10^13 m. It is just over 1.6×10^10 miles and approximately 8.5×10^13 feet.

## How far does light travel in one hour in KM?

The Speed of light is a constant. Light travels at about 300,000 km in one second. 1 hour has 60 minutes and one minute has 60 seconds, so light will travel about 60 * 60 * 300, 000 = 1080000000 km in an hour. 1 light hour = 675000000 miles .

## How many miles does light travel in 24 hours?

You start with the speed of light, which is about 186,000 miles per second. Then you multiply that by 3,600 seconds in an hour. Then you multiply that by 24 hours in a day.