Sentences with phrase «other mysterious particles»

Not exact matches

We have no idea what's causing this gravity, though — we haven't directly detected the theorized particles that make up this mysterious material that doesn't seem to interact (other than gravitationally) with normal matter like light and the particles that we know and love, which is what makes it invisible, and therefore «dark» to most instruments normally used to understand our universe.

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.

More important, a convergence of observations suggests that cosmic neutrinos spring from the same astrophysical sources as other particles from space: highly energetic photons called gamma rays, and mysterious ultra-high energy cosmic rays — protons and heavier atomic nuclei that reach energies a million times higher than humans have achieved with particle accelerators.

Schwadron and colleagues solved the discrepancies using triangulation of four different datasets gathered by other spacecraft, including the Interstellar Boundary Explorer (IBEX) mission that in 2009 discovered a mysterious «ribbon» of energy and particles believed to be associated with the interstellar magnetic field.

Physicists interpreted it as the debris from particles of mysterious dark matter — thought to make up most of the stuff in the universe — crashing together and annihilating each other.

Many others account for the universe's speedy spreading by adding a different mysterious entity — some unknown particle perhaps — that drains gravity's strength as the universe evolves.