Seudónimo Seudónimo
  • 24-07-2014
  • Physics
contestada

what are light years actually? answer in brief

Respuesta :

AL2006
AL2006 AL2006
  • 25-07-2014
A light year is a distance. 
It's the distance that light travels in a year, through vacuum.
The distance is about 5.875 trillion miles. 
The nearest star outside our solar system is about 4.2 light years from us.

Sorry to have rambled on for so long.
Answer Link

Otras preguntas

Which statement best contrasts the Angus and Holstein breeds of cattle? A. Angus originate in Britain and Europe, whereas Holsteins originate in America. B. An
Imani spent half of her weekly allowance playing mini-golf. To earn more money her parents let her wash the car for $4. What is her weekly allowance if she ende
HELP ASAP WILL GIVE BRAINLIEST why does the united states congress use the committee system? A) to allow the american people to take part in the legislative pro
The length of a rectangle is 4 inches more than its width, and its perimeter is 34 inches. Find the length and width of the rectangle. Find the width of the re
¡Maria! ¿Quine es Ella _____?
what is produced when 50mLs of carbon and 30mLs of oxygen react (A) 80mLs of carbon dioxide (B) 50mLs carbon dioxide and 5mLs of oxygen (C) 25mLs of carbon diox
What year did the great depression start?
a motorist travels 406 km during a 7 hr period. What was the average speed in km/hr and m/s?
describe the formation of a rock with crystalline texture?
What made Constantinople an ideal location for a capital