41. Light year is a unit of(1) time (2) distance(3) sunlight intensity (4) mass

A light year is the unit of

Which of the following best describes the distance between an astronomical unit and a light-year?b007d9619c8c25c7b5db1dcbc64088b4.webm351 KB aAn AU equals the distance between Earth and the Sun; a light-year equals the angle between an object’s apparent positions when viewed from two different locations. bA light-year is useful for measuring objects fewer than 300 light-years from Earth; an AU is useful for measuring objects more than 300 light-years from Earth. cAn AU is calculated by dividing kilometers by 150 million; a light-year is calculated by determining how long it takes an object to travel 150 million AUs. dAn AU is useful for measuring distances within the solar system; a light-year is useful for measuring distances beyond the solar system.

What is the luminosity of our Sun?312

Light year is a unit of:TimeDistanceIntensityNone of these

4. At any given time, how much of Earth isin day and how much is in night?