The UniverseAnswer
Are black holes or wormholes doorways to other places?
A tunnel in an equation, a black hole in the sky and a working spacecraft are three different claims.
TOPIC
black holes.
Stories and answers about #black holes
FROM THE QUESTION LIBRARY
Short answers, with sources.
The UniverseAnswer
How big can black holes get, and is there one at the center of our galaxy?
Mass, horizon size and a glowing image tell different parts of the story; spin adds another clue.
The UniverseAnswer
What are gravitational waves, and how do we detect them?
Laser beams and the pulse times of distant stars reveal tiny, traveling changes in space and time.
The UniverseAnswer
What is a black hole, really?
Not a hole and not a cosmic vacuum cleaner: here is what a black hole is, how we know they exist, and where the real mysteries begin.
The author’s own research on this
Author’s hypothesisWhat future measurement could prove the HD-Blast hypothesis wrong?