light hour (Meaning)
Wordnet
light hour (n)
the distance light travels in a vacuum in one hour; approximately one billion kilometers
Synonyms & Antonyms of light hour
No Synonyms and anytonyms found
light hour Sentence Examples
- The Andromeda Galaxy is located approximately 2.5 million light hours away from Earth.
- Light travels at a speed of 186,282 miles per second, covering one light hour in 670,616,629 miles.
- The closest star to our solar system, Proxima Centauri, is 4.24 light hours away.
- It would take over 4 years for a spacecraft traveling at 10% the speed of light to reach the nearest star outside our solar system.
- The Milky Way galaxy is estimated to be 100,000 light hours across.
- The light from the most distant galaxies we can observe has been traveling for billions of light hours.
- Light hours are used by astronomers to measure distances in space because the speed of light is constant.
- The time it takes for light to travel from an object to our telescopes can tell us how far away the object is.
- Scientists use the light hour as a unit of distance when discussing the vastness of the universe.
- The Earth's orbit around the Sun is approximately 8 light hours across.
FAQs About the word light hour
the distance light travels in a vacuum in one hour; approximately one billion kilometers
No synonyms found.
No antonyms found.
The Andromeda Galaxy is located approximately 2.5 million light hours away from Earth.
Light travels at a speed of 186,282 miles per second, covering one light hour in 670,616,629 miles.
The closest star to our solar system, Proxima Centauri, is 4.24 light hours away.
It would take over 4 years for a spacecraft traveling at 10% the speed of light to reach the nearest star outside our solar system.
