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  1. Some ancient Indian cities were slightly off the Ujjayinī meridian because accurate timekeeping, crucial for measuring longitude, was not as precise in the past. This lack of precision led to small deviations in determining the exact meridian line. https://www.tiwariacademy.com/ncert-solutions-classRead more

    Some ancient Indian cities were slightly off the Ujjayinī meridian because accurate timekeeping, crucial for measuring longitude, was not as precise in the past. This lack of precision led to small deviations in determining the exact meridian line.

    https://www.tiwariacademy.com/ncert-solutions-class-6-social-science-chapter-1/

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  2. The Ujjayinī meridian, or madhya rekhā, was significant in ancient India as a reference for astronomical calculations. It passed through Ujjain, a major center for astronomy, and was used in Indian astronomical texts. https://www.tiwariacademy.com/ncert-solutions-class-6-social-science-chapter-1/

    The Ujjayinī meridian, or madhya rekhā, was significant in ancient India as a reference for astronomical calculations. It passed through Ujjain, a major center for astronomy, and was used in Indian astronomical texts.

    https://www.tiwariacademy.com/ncert-solutions-class-6-social-science-chapter-1/

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  3. Varāhamihira, a renowned astronomer, is closely associated with Ujjayinī (modern-day Ujjain). He lived around 1,500 years ago and made significant contributions to Indian astronomy and astrology. https://www.tiwariacademy.com/ncert-solutions-class-6-social-science-chapter-1/

    Varāhamihira, a renowned astronomer, is closely associated with Ujjayinī (modern-day Ujjain). He lived around 1,500 years ago and made significant contributions to Indian astronomy and astrology.

    https://www.tiwariacademy.com/ncert-solutions-class-6-social-science-chapter-1/

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  4. India’s ancient prime meridian was called "madhya rekhā," meaning "middle line." It passed through Ujjayinī (modern-day Ujjain) and served as a reference for astronomical calculations in ancient Indian texts. https://www.tiwariacademy.com/ncert-solutions-class-6-social-science-chapter-1/

    India’s ancient prime meridian was called “madhya rekhā,” meaning “middle line.” It passed through Ujjayinī (modern-day Ujjain) and served as a reference for astronomical calculations in ancient Indian texts.

    https://www.tiwariacademy.com/ncert-solutions-class-6-social-science-chapter-1/

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  5. Letters and numbers are used on a chessboard to label each square, allowing players to record moves precisely. The columns are labeled with letters (a-h) and the rows with numbers (1-8), facilitating accurate move notation. https://www.tiwariacademy.com/ncert-solutions-class-6-social-science-chapterRead more

    Letters and numbers are used on a chessboard to label each square, allowing players to record moves precisely. The columns are labeled with letters (a-h) and the rows with numbers (1-8), facilitating accurate move notation.

    https://www.tiwariacademy.com/ncert-solutions-class-6-social-science-chapter-1/

    See less
    • 5