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

what is the answer to 1/4[2-5x+6]
Solve the inequality |6x + 2| < 10 and graph its solution.
What ethnic groups were left without nations after the nationalist movements in the nineteenth century
Please Hurry!!Which weather events can cause damage during a thunderstorm? Check all that apply.Heavy RainHigh WavesStorm SurgeStrong WindsSevere Lightning
3. What role does estimating play in the success of a construction company?
Helppppppppppppppppppppppppppppppp
Which of these definitions could be used to define H2O as an acid? Check all that apply. Arrhenius concept Bronsted-Lowry concept Lewis concept
Which event inspired Timothy McVeigh to plan an attack on U.S. soil? A. the standoff near Waco, Texas B. the bombing of the USS Cole C. the Gulf War D. the
what does this opening line of dialogue tell us about ethan and aidens relationship​
Scientists are researching a large family, many of whose members have Jackson-Weiss Syndrome, a disease that causes bone problems. The scientists noticed that e