Sentences with phrase «ordinary matter except»

The most recent addition to the tour, discovered just last year, involves what appears to be a giant plume of antimatter — a fountain of particles identical to ordinary matter except that they have the opposite electric charge — shooting up from the core and straight out of the disk of the galaxy as far as 5,000 light - years, where the antimatter jet meets clouds of ordinary matter, and both are annihilated in a burst of energy.

Dark matter makes up 80 per cent of the stuff in the universe, but it is difficult to see because it barely interacts with ordinary matter except through gravity.

They interpreted it as the debris left behind when particles of dark matter — the mysterious substance that makes up most of the matter in the universe yet refuses to interact with ordinary matter except through gravity — crashed together and annihilated each other in the centre of the Milky Way.

Not exact matches

The trouble is the stuff stubbornly refuses to interact with ordinary matter, except through gravity, so has not been conclusively detected.