B.1: What we can measure with a string and a stone :
B.1.1. We can measure lengths.
B.1.2. We can measure angles.
B.1.3. We can measure Time.

Here is how you can measure the sun's distance from the earth in a series of a few easy experiments which you can easily do by yourself

    B.2 :The SUNCARD
    B.3: TOV PHOTOGRAPH
    B.4: Measuring the Maximum Angle between VENUS and SUN
    B.5: The ratio of the Sun - Venus distance to Sun- Earth distance
    B.6: How BIG is Venus?
    B.7: How BIG is Earth?
    B.8: How High is the Building?

     

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