Size of the universe
Hai teman-teman...kemarin aku lihat video di Youtube tentang ukuran alam semesta lho...Wooww..ternyata besar sekali... Lihat yuk vidoenya...
Hai teman-teman...kemarin aku lihat video di Youtube tentang ukuran alam semesta lho...Wooww..ternyata besar sekali... Lihat yuk vidoenya...
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