x No Plagiarism!ceBM8cU5rPt5pjfLZePdposted on PENANA A single teaspoon of a neutron star weighs 6 billion tons ! this is because they are very dense 8964 copyright protection85PENANA6M6eEsJfN5 維尼 172.70.100.170ns 172.70.100.170da2