comets

This month’s Astronomy and Astrophysics is… an improvement (for us here) compared to Jan, but it’s no Dec: Edberg, N. J. T. Erikkson, A. I. Vigren, E. et al. Scale size of cometary bow shocks A51 /202346566 Bourchelle de Micas,… Read More »Note, Paper: Euro-Yarko