x No Plagiarism!UYWG2h3GqNluJ8JN48Loposted on PENANA A single teaspoon of a neutron star weighs 6 billion tons ! this is because they are very dense 8964 copyright protection81PENANAOiDKGlqFz0 維尼 172.70.130.128ns 172.70.130.128da2