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Light years are used to measure distance from Earth to distant stars and planets.
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∙ 9y ago
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How far away from Earth is Sirious the star?
8.6 light years8.6 light years8.6 light years8.6 light years
Why scientists use light years to measure distance in space in stead of kilometers?
It is far more convenient to express space distance in light years instead of kilometers. 1 light year = 9.4605 x 10^12 km 1 light year = 5.8745 x 10^12 miles
How many light years in an AU?
1 AU = 0.0000158 light-years
How long does it take a star's light that is 7 light years away from Earth to reach Earth?
It's exactly 7 light years away.One light year is the distance that light travels through space in one year.7 of those is a distance of something like 41,150,289,900,000 miles.
How many light years are equal to 4.5 billion years?
A light year is a measure of distance, not time. It is the distance light travels in a year.
Why do we use light-years?
We use light years to tell us how fast light travels.
How much light does Colombia use?
69 light years
How can you change light years into meter?
Use this conversion: light-years x 9,460,730,472,580,800 = metres
Why use light years?
Well, it is far easier to visualize "the distance light travels in 10 years" (i.e., 10 light years), than "9.5 x 1016 meters".
How does light travel in light years?
Ypu have to use scientific notation to the 10th power
How do light energy use?
i use light energy for like light and the sun uses light and so does the moon so all sorts of things use light energy
Why do you use light years?
We use light years for the sake of easy readability. In the universe, most of the distances are in trillions of miles or so. You cant go writing that an object is 1400000000000000... miles from earth! To make it clear and concise, light year is the unit we use.
Which unit would you use for the width of galaxies?
Light-years
What measurement do you use from traveling from star to star?
Light years
A scientist wants to know whether a particular cell is round or rectangular. How should the scientist observe the overall shape of the cell?
The scientist should use a light microscope.
What do you use to measure space?
one way is how far light travles in a year , (light years)
What can you use light years for?
Light years are used to measure the great distances of space. One light year is about 5.86 trillion miles. This is the distance light travels in one year's time.
