light second (Meaning)
Wordnet
light second (n)
the distance light travels in a vacuum in one second; approximately 300,000 kilometers
Synonyms & Antonyms of light second
No Synonyms and anytonyms found
light second Sentence Examples
- The speed of light is approximately 299,792,458 meters per second, or one light second in time.
- The distance between the Earth and the Moon is about 1.3 light seconds.
- A light second is a unit of distance, not time, and represents the distance that light travels in one second.
- The Andromeda galaxy is approximately 2.5 million light years away, making it one of the closest galaxies to our own.
- The Milky Way galaxy is about 100,000 light years in diameter.
- The farthest object that has been observed by humans is GN-z11, a galaxy that is approximately 13.4 billion light years away.
- Light from the Sun takes about 8 minutes and 20 seconds to reach Earth, which is approximately 500 light seconds away.
- The Large Hadron Collider accelerates protons to near the speed of light, allowing scientists to study particles that travel over several light seconds.
- Light-second delays can be significant in astronomy, especially when observing stars or galaxies that are millions of light years away.
- The concept of the light second is crucial for understanding the vastness of the universe and the time it takes for light to travel between celestial objects.
FAQs About the word light second
the distance light travels in a vacuum in one second; approximately 300,000 kilometers
No synonyms found.
No antonyms found.
The speed of light is approximately 299,792,458 meters per second, or one light second in time.
The distance between the Earth and the Moon is about 1.3 light seconds.
A light second is a unit of distance, not time, and represents the distance that light travels in one second.
The Andromeda galaxy is approximately 2.5 million light years away, making it one of the closest galaxies to our own.