Question
Download Solution PDFWhich of the following statement/statements is/are true regarding the light year?
1. Light year is a unit of distance.
2. Light is a unit of time.
3. A light year is the distance that light travels in one Earth year.
4. Light year is the measurement of light intensity
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFKey Points
- Light year is a unit of distance.
- A light year is the distance that light travels in one Earth year.
- Light year is not a unit of time or a measurement of light intensity.
- Light travels approximately 5.88 trillion miles (9.46 trillion kilometers) in one year.
Additional Information
- The term light year is often used in astronomy to measure vast distances between celestial objects.
- Light year helps in expressing astronomical distances in a comprehensible way for scientific communication.
- One light year equals approximately 63,241 astronomical units (AU), where one AU is the average distance from the Earth to the Sun.
Last updated on Jun 17, 2025
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