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Friday, 8 December 2017

Units of Measurement In Space

Units ofMeasurement In Space  

Light year

A light year is the distance covered by light in one year in vacuum traveling at a speed of 299.795. km. per second or about 186,282 miles per second. There fore a light year is 5.88 million-million miles.
Alifye - Light Year - Astronomical Unit

Astronomical Unit (A.U)

It is evolved by radar astronomy and is more accurate than the light year unit. It represents the mean distance between the Sun and the Earth, calculated on the data supplied by radars. The A.U. distance has now become a key constant in determining distances in the solar system. A.6. is approximately 150 million (149.600.000) km. It may be said that light year is made up of about 60.000 A.Us.



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