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Define - Astronomical unit?...

Define - Astronomical unit?

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Astronomical unit is defined as the mean distance of the earth from the sun . It is used atronomy to measure distance of planets.
`1 AU = 1.496 xx 10^(11)` m
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Knowledge Check

  • One Astronomical unit is.........

    A
    `3.153 xx 10^(7)` m
    B
    `1.496 xx 10^(11)` m
    C
    `9.46 xx 10^(12)` km
    D
    `3.26 xx 10^(15)` m

  • Which of the following is not the unit of time? a) Light year b) Astronomical unit c) Parsec d) all of the above

    A
    Light year
    B
    Astronomical unit
    C
    Parsec
    D
    all of the above

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