light-year
109
4.9
- noun
- /ˈlaɪtˌjɪr/
- Specialized
:
año luz
- The nearest star is about 4.2 light-years away from Earth.
- light-years away
- million light-years
- billion light-years
Like the sun is millions of light years away, right?
- Like the sun is millions of light years away, right?
- So inches become miles become light years before you know it.
- How many meters, kilometers, light years are there between point A and point B.
- And the thing that's been lensed here that's making this bright spot is smaller than two light years across.
- The universe is not homogeneous on small scales, and small scales means, you know, hundreds of millions of light years.
- Like you said, hundreds of light years, like how many stars are close by at like what?
Examples
-
This intelligent, sentient being... travelled untold light years to come and visit our planet.
-
We now know that the Milky Way Galaxy is about 70,000 light-years in diameter.
Academic text (1991) -
I guess it's not going to be more than a few light years across.
-
I could take one of them and just let it fly off to another star system light years away, right?
-
It's 11 light years away.
-
This rose galaxy is actually two million light years away from the planet Earth.
-
It's 75 million light years away.
-
It's 277.5 light years from here.
-
It also suggested that a habitable planet, like Earth, should exist just a few hundred light years away.
-
A star sixteen light-years away, which humanity would name Aeolus, was about to die.
Fiction book (2000)
Synonyms
19
5.0
The distance light travels in one year in space, about 9.46 trillion kilometers
How Long
- Specialized
109
4.9
∞
1.0
- US
572
1.8
- Specialized
621
1.0
- US
92
1.0
- Specialized
140
2.5
Surface Forms
Morphology
Etymology
Light-year comes from joining light and year, so it literally means the distance light travels in one 'year'. That's why astronomers use light-year to measure very large distances in space.