Difference between revisions of "Light-time"
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'''Light-time''' is the product of the [[speed of light]] in a vacuum and time it takes light to travel a certain distance in space. It is most commonly used in light-years to calculate interstellar distances.<ref>[https://www.merriam-webster.com/dictionary/light-time “Light-Time.”] n.d. In ''Marriam-Webster Dictionary''.</ref> | '''Light-time''' is the product of the [[speed of light]] in a vacuum and time it takes light to travel a certain distance in space. It is most commonly used in light-years to calculate interstellar distances.<ref>[https://www.merriam-webster.com/dictionary/light-time “Light-Time.”] n.d. In ''Marriam-Webster Dictionary''.</ref> | ||
| − | == Common units of light time == | + | ==Common units of light-time== |
The light-second, light-minute, and light-year are the most common light-time units used. | The light-second, light-minute, and light-year are the most common light-time units used. | ||
{| class="wikitable" | {| class="wikitable" | ||
| − | |+Common units of light time | + | |+Common units of light-time |
!Unit | !Unit | ||
!Meters | !Meters | ||
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|} | |} | ||
| − | == References == | + | ==References== |
<references /> | <references /> | ||
Revision as of 22:23, 6 December 2019
Light-time is the product of the speed of light in a vacuum and time it takes light to travel a certain distance in space. It is most commonly used in light-years to calculate interstellar distances.[1]
Common units of light-time
The light-second, light-minute, and light-year are the most common light-time units used.
| Unit | Meters | Miles | Astronomical Units |
|---|---|---|---|
| 1 Light-second | 0.0020 AU | ||
| 1 Light-minute | 0.12 AU | ||
| 1 Light-year | 63000 AU |
References
- ↑ “Light-Time.” n.d. In Marriam-Webster Dictionary.
