light year (Meaning)
light year (n)
the distance that light travels in a vacuum in 1 year; 5.88 trillion miles or 9.46 trillion kilometers
the distance that light travels in a vacuum in 1 year; 5.88 trillion miles or 9.46 trillion kilometers
light year ()
The distance over which light can travel in a year's time; -- used as a unit in expressing stellar distances. It is more than 63,000 times as great as the distance from the earth to the sun.
Synonyms & Antonyms of light year
light year Sentence Examples
- The nearest star to our solar system, Proxima Centauri, is 4.2 light years away.
- The Milky Way galaxy is about 100,000 light years across.
- The Andromeda Galaxy, our closest neighboring galaxy, is 2.5 million light years away.
- The Hubble Space Telescope has observed objects up to 13.4 billion light years away.
- The light from the most distant galaxies we can see has been traveling for over 13 billion years.
- A light year is the distance that light travels in one year, which is approximately 9.46 trillion kilometers.
- The speed of light is constant at 299,792,458 meters per second.
- The distance to other stars and galaxies is often measured in light years because it is a convenient and widely understood unit of astronomical distance.
- The universe is believed to be about 13.8 billion light years old.
- Astronomers use the concept of light years to calculate the vast distances in the universe and understand the scale of celestial objects.
FAQs About the word light year
the distance that light travels in a vacuum in 1 year; 5.88 trillion miles or 9.46 trillion kilometers, the distance that light travels in a vacuum in 1 year; 5
world, galaxy,way, country mile,long haul, infinity
shouting distance, inch, hairbreadth, inch, hairsbreadth, shouting distance, hairsbreadth,striking distance, striking distance, hairbreadth
The nearest star to our solar system, Proxima Centauri, is 4.2 light years away.
The Milky Way galaxy is about 100,000 light years across.
The Andromeda Galaxy, our closest neighboring galaxy, is 2.5 million light years away.
The Hubble Space Telescope has observed objects up to 13.4 billion light years away.
