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Partial Stellar Explosions -- Ejected Mass and Minimal Energy
Itai Linial, Jim Fuller, Re'em Sari
Many massive stars appear to undergo enhanced mass loss during late stages of their evolution. In some cases, the ejected mass likely originates from non-terminal explosive outburs…
The Non Relativistic Interiors of Ultra-Relativistic Explosions: Extension to the Blandford McKee Solutions
Tamar Faran, Re'em Sari
The hydrodynamics of an ultrarelativistic flow, enclosed by a strong shock wave, are described by the well known Blandford-McKee solutions in spherical geometry. These solutions, h…
A new perspective on interiors of ice-rich planets: Ice-rock mixture instead of ice on top of rock
Allona Vazan, Re'em Sari, Ronit Kessel
Ice-rich planets are formed exterior to the water ice-line and thus are expected to contain a substantial amount of ices. The high ice content leads to unique conditions in the int…
DHP Framework: Digital Health Passports Using Blockchain -- Use case on international tourism during the COVID-19 pandemic
Constantinos Marios Angelopoulos, Amalia Damianou, Vasilios Katos
In order to contain the COVID-19 pandemic, several countries enforced extended social distancing measures for several weeks, effectively pausing the majority of economic activities…