x No Plagiarism!HJzqHfDLAF6Umx6Lsqthposted on PENANA A single teaspoon of a neutron star weighs 6 billion tons ! this is because they are very dense 8964 copyright protection191PENANApSQQdIZXcR 維尼3.145.147.34ns3.145.147.34da2