Free Astronomy Magazine July-August 2021

THE FREE MULTIMEDIA MAGAZINE THAT KEEPS YOU UPDATED ON WHAT IS HAPPENING IN SPACE Bi-monthly magazine of scientific and technical information ✶ July-August 2021 ✶ ✶ DAVINCI+ and VERITAS to explore Venus Ichnoscale − the parameter for technological civilizations 2I/Borisov may be the most pristine comet ever found Black hole pairs found in distant merging galaxies • Hubble watches how a giant planet grows • Gemini North helps set rotational speed limit for brown dwarfst • Powerful stratospheric winds measured on Jupiter for the first time • Stellar flare from Proxima Centauri recorded in multiple wavelengths