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A light year is the distance that light (travelling at approximately 300,000 km/second in a vacuum) goes in one year. It's about 9.46 trillion kilometers. The light year is a convenient unit for distance in outer space because stars are extremely far apart in relation to any measurement on our planet. For example, the nearest star other than our sun is about 4.34 light years, or about 41,000,000,000,000 kilometers.
It is important to remember that a light year is not a unit of time. It is a unit of distance.
What else can I help you with?
What is a measurement of distance based on the speed of light?
A unit that is commonly used in astronomy is the light-year - the distance light travels in a year.
Which unit of measurement uses the distance light travels in one year 9470000000000?
The distance light travels in one year is called a light-year. To get the number 9,470,000,000,000, the unit used is the kilometer.
What unit of distance used to measure items in space?
Light years: the distance that light travels in a year.
What unit measure the greatest distance?
The unit that measures the greatest distance is a light-year, which represents the distance that light travels in one year. This unit is frequently used in astronomy to measure vast distances between celestial objects.
Which of the is not a unit of time leap year or light year?
A light-year is a unit of distance, not a unit of time.
What unit of measurement is used in knowing the distance between milkyway galaxy and other galaxies?
The unit of measurement used to measure distances between galaxies is typically the light-year, which is the distance that light travels in one year. This unit is used because of the vast distances involved in intergalactic space.
How old is mira the star in light years?
"Light-year" is NOT a unit of time. It is a unit of length or distance - the distance light travels in a year.
Does a calendar year equal a light year?
No. A light year is a unit of distance, not time. It is the distance light travels in a year.
How many hours is a light year?
This is an impossible conversion to make. A hour is a unit of time. A light year is a unit of distance, specifically, it is the distance light travels in a year.
Is a light year a unit of time True or false?
False the light year is not a unit of time it is a unit of distance true.
Is a light year a unit of a distance or a unit of a time?
Both
How light year is measured?
A light year is a unit of length used in Astronomy to define distance. One light year is equal to just under 6 trillion miles.
