UNIVERSE
SOLAR STRUCTURE
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
the distance Mercury travels in one year
|
|
|
the distance light travels in one year
|
|
|
the distance from Earth to the Moon
|
|
|
the distance from the Sun to Earth
|
Detailed explanation-1: -Astronomical units, abbreviated AU, are a useful unit of measure within our solar system. One AU is the distance from the Sun to Earth’s orbit, which is about 93 million miles (150 million kilometers).
Detailed explanation-2: -Lightyears. A common method for measuring distance in space is to measure how far light travels in one year: known as a lightyear, which is around 9.5 trillion km.
Detailed explanation-3: -Hence, The distance between planets is measured in astronomical unit.
Detailed explanation-4: -Bottom line: Astronomers like to list the distances to objects within our solar system in terms of astronomical units, or AU. One astronomical unit is the approximate mean distance between Earth and the sun. It’s about 93 million miles (150 million km), or 8 light-minutes.
Detailed explanation-5: -Astronomical Units: The distance from the Sun to the center of the Milky Way is approximately 1.7 x 109 AU.