Q 5
Question

Nandhini saw a group of stars rising at midnight on 21 June. When will she see the same group of stars rising at midnight next year?

A group of stars rising at midnight on 21 June.
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Answer
She will see them again at midnight on about 21 June next year.

Explanation

  • The Earth takes about one year for one revolution.
  • After a full year it returns to the same position.
  • So the same stars rise at the same time again.
  • That is around 21 June the next year.
The same stars return to that midnight spot after one year.
← Back to concept: 12.2.1 Changing view of night sky from the Earth
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