White Holes
The theoretical opposite
A hypothetical region of spacetime that cannot be entered from outside — only matter and light can escape. Allowed by general relativity but never observed.
Image: Conceptual / EHT
Vital statistics
Status
Hypothetical
Predicted by
General Relativity
Observed
Never
Did you know
Mathematically a time-reversed black hole.
Fact 01
Some theorists link them to the Big Bang itself.
Fact 02
Would violate the second law of thermodynamics if eternal.
Fact 03
Research & publications
Jump straight into peer-reviewed papers, preprints and authoritative references for White Holes.
arXiv (preprints)
Open-access preprints in physics & astrophysics.
NASA ADS
The definitive bibliographic database for astronomy.
Google Scholar
Cross-publisher academic search.
Nature
Peer-reviewed articles in Nature & sister journals.
Wikipedia
Encyclopedic overview & onward references.
Tip: ask the Research AI for a curated reading list → /research
