What sources of error are there in the experiment of measuring the sun's diameter with the cardboard and pin hole experiment?

This word for a bug or malfunction was popularized in the 1962 book into orbit by the mercury astronauts

The blue segment below is a diameter of oo. what is the length of the radius of the circle?

Which of the following lists shows the events in the correct order? a.)the creation of the british raj, the sepoy rebellion, gandhi’s campaign of civil disobedience, the partitioning of indiab.) gandhi’s campaign of civil disobedience, the sepoy rebellion, the creation of the british raj, the partitioning of indiac.)the sepoy rebellion, the creation of the british raj, gandhi’s campaign of civil disobedience, the partitioning of indiad.)gandhi’s campaign of civil disobedience, the creation of the british raj, the partitioning of india, the sepoy rebellion