English | Russian |
at a galactic scale | в масштабе галактики (space.com Alex_Odeychuk) |
at hypervelocity | с высокой гиперзвуковой скоростью (Hypervelocity is very high velocity, approximately over 3,000 meters per second (11,000 km/h or Mach 8.8). Alex_Odeychuk) |