Astronomy   View all facts   Glossary   Help

abstraction > theory related concept > problem > magnetic monopole problem

magnetic monopole problem comparison table

Subject	is an instance of	is a kind of	has definition
problem		theory related concept
magnetic monopole problem	problem		A problem, discovered by John Preskill in 1979, concerning the compatibility of grand unified theories with standard cosmology. Preskill showed that if standard cosmology were combined with grand unified theories, far too many magnetic monopoles would have been produced in the early universe.

Next problem: missing mass problem    Up: problem    Previous problem: horizon problem