Joshua ShavitSep 25, 2021Our solar system is protected from large interstellar objects -- we now know howSo far, we know of only two interstellar objects (ISO) to visit our solar system. They are 'Oumuamua and 2I/Borisov. There should be more.
Joshua ShavitAug 26, 2021Unveiling a century-old mystery: Where do the Milky Way's cosmic rays come from?Astronomers have succeeded for the first time in quantifying the proton and electron components of cosmic rays in a supernova remnant.