Why do astronomers measure distance in light years?

More Questions

• How long does it take to travel a light year?
• What is the unit of light year?
• Why are distances from reference lines measured in angles?
• What is the unit of measurement of intensity of light?
• Is it an year or a year?
• What is the difference between financial year and assessment year?
• How to find a year is leap year or not?
• What is assessment year and financial year?
• How to find if a year is a leap year?
• What is previous year and assessment year?