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Daily space facts - Fact 4 | Penana
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Daily space facts
篇 #4
Fact 4
No Plagiarism!jeux9mAbwJQZv7JsRoKlposted on PＥNAＮＡ A single teaspoon of a neutron star weighs 6 billion tons ! this is because they are very dense 8964 copyright protection208ＰＥＮＡＮＡW6pYou40ul 維尼
52.14.186.192
ns52.14.186.192da2
然後按「加至主畫面」