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Cuộc Sống Thực
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Mặt Trời (hoặc Sol), là ngôi sao ở trung tâm của hệ mặt trời nó quyết định thời tiết, khí hậu trên trái đất. Bán kính trung bình của mặt trời là 695.508 km (109,2 x Trái đất)
#khoahoc #khampha
http://khoahoc.me/su-that-thu-vi-ve-mat-troi-co-the-ban-chua-biet/
Khoahoc.me
Khoahoc.me
khoahoc.me

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