THE EARTH
PHYSICAL GEOGRAPHY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A light year is
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A unit of time which the earth takes to go round the sun
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The distance travelled by the light in one year
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It is a year in which the gravitational pull is less than the normal value of ‘G’
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none of above
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Explanation:
Detailed explanation-1: -A light-year is a measurement of distance and not time (as the name might imply). A light-year is the distance a beam of light travels in a single Earth year, which equates to approximately 6 trillion miles (9.7 trillion kilometers).
Detailed explanation-2: -Coe et al. For most space objects, we use light-years to describe their distance. A light-year is the distance light travels in one Earth year. One light-year is about 6 trillion miles (9 trillion km).
Detailed explanation-3: -The Light-year is a unit of length used to express astronomical distances and is equivalent to about 9.46 trillion kilometres (9.46×1012 km) or 5.88 trillion miles (5.88×1012 mi).
There is 1 question to complete.