Dodał:
Gall Anonim
41 wyświetleń
Sun 101 | National Geographic - The sun keeps the planets in its orbit with a tremendous gravitational force. What would happen if it disappeared entirely? Learn about the star at the center of ...
Dodał: Gall Anonim
Wyświetleń: 33
Dodał: Gall Anonim
Wyświetleń: 43
Dodał: Gall Anonim
Wyświetleń: 33
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