Describes the historic ideas about the orbit of the planets, provides detailed information on the known planets, looks at seasons, days, eclipses and the tides.

Învaţă şi foloseşte corect limba engleză 2 3 Cuprins Prefaţă......................................................................................................................................…

Învaţă şi foloseşte corect limba engleză 2 3 Cuprins Prefaţă......................................................................................................................................…

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