Question

State
(i) Astronomical Unit.
(ii) Light Year​

Answer 1

Answer:

• A unit of distance used in astronomy equal to the mean distance between the earth and the sun.
• 1 astronomical unit is equivalent to 1.495 × 10^11 metres or about 9.3 × 10 7 miles.

• Light Year is the Distance Light Travels in absolute Vaccum in 1 year which is 186,000 miles (300,000 kilometers) per second and 5.88 trillion miles (9.46 trillion kilometers) per year.