The Cold Case of SN 1054 One of the most thrilling events on the sky would be Supernova (SN) event. Here, we investigate possible causes for missing historical records of SN1054 in Europe. We reconstruct the European sky at the time of the event and found that the new “star” (SN1054) and planet Venus are […]

“Quantification of Fossil Data” and an update on the fossil identification app ABSTRACT: It has been over 75 years, since Charles Butts published his famous and classic monograph on the fossils of the Appalachian mountains in 1941. Recently, I have been in the process of updating the taxonomy of his work and I am in […]

"Discrepancies in the Measured Expansion Rate of the Universe" Abstract: The most basic parameter in our description of the expanding Universe is the current expansion rate, given by the Hubble Constant. A mere two decades ago, the value of that constant was uncertain to a factor of two. Since then, the face of cosmology has […]