Sentences with phrase «great galaxy collisions»
Not exact matches
According to standard physics, cosmic rays created outside our galaxy with energies greater than about 1020 electronvolts (eV) should not reach Earth at those energies: as they travel over such vast regions of space they should lose energy because of collisions with photons of the cosmic microwave background (CMB), the radiation left over from the big bang.
https://www.newscientist.com/
«We know of a number of galaxies that have experienced a collision, causing some of their stars to be expelled great distances, in sheets and tails.
Future high - resolution infrared observations from the James Webb Space Telescope will complement these discoveries by providing greater detail of the dynamics of cool stars, gas and dust during galaxy collisions.