x No Plagiarism!rCEPBnLtSa8KBKEDL9e1posted on PENANA A single teaspoon of a neutron star weighs 6 billion tons ! this is because they are very dense 8964 copyright protection133PENANAaWtUx1j7sK 維尼 15.158.61.20ns 15.158.61.20da2