Astronomy   View all facts   Glossary   Help

physical object > natural object > theoretical celestial body > singularity > wormhole

wormhole comparison table

Subject	has definition	is a kind of
singularity	If the standard big bang theory is extrapolated all the way back to time zero, one reaches an instant of infinite density, infinite pressure, and infinite temperature - an instant that is frequently called the initial singularity. This singularity is sometimes said to mark the beginning of time, but it is more realistic to recognize that an extrapolation to infinite density cannot be trusted.	theoretical celestial body
wormhole	A tube-like region of space connecting one region of the universe to another.	singularity

Next singularity: black hole    Up: singularity    Previous singularity: white hole