NCERT Class VIII Science Solutions: Chapter 17-Stars and the Solar System Part 3

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Question 11:

John saw full moon on a particular day. After how many days will he be able to see the full moon again?

Answer:

Approximately 29 days.

Question 12:

In the picture of rotating earth given as Fig mark the position of pole star.

As showing in fig is a position of pole star.(Q)

Position of Pole Star.(Q)

As showing in fig is a position of pole star.(Q)

Answer:

As showing in fig is a position of pole star.(A)

Position of Pole Star.(A)

As showing in fig is a position of pole star.(A)

Question 13:

In the given Fig out of the positions A, B, C and D which will indicate the position of the sun? Draw the sun at the appropriate position.

As showing in fig is a position of the sun (Q)

Position of the Sun (Q)

As showing in fig is a position of the sun (Q)

Answer: C

As showing in fig is a position of the sun (A)

Position of the Sun (A)

As showing in fig is a position of the sun (A)