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Daily space facts - Fact 4 | Penana
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Daily space facts
篇 #4
Fact 4
No Plagiarism!nWsApb2a3Op9vw2irRJOposted on PＥNAＮＡ A single teaspoon of a neutron star weighs 6 billion tons ! this is because they are very dense 8964 copyright protection273ＰＥＮＡＮＡNAp1UcZy5x 維尼
216.73.216.206
ns216.73.216.206da2
然後按「加至主畫面」