x No Plagiarism!hFIyZytSlHam1f2WCQgKposted on PENANA A single teaspoon of a neutron star weighs 6 billion tons ! this is because they are very dense 8964 copyright protection137PENANAhQs8y5zWn5 維尼 15.158.61.41ns 15.158.61.41da2