And for that matter, could our universe be inside a black hole?
Are We Living in a Black Hole?
What is a black hole? University of Chicago News
Could Earth be inside a black hole?
O Universo está dentro de um buraco negro? - Ciência Mundo
Was Our Universe Created by a Black Hole in Another Universe?
What Would We Experience If Earth Spontaneously Turned Into A Black Hole?
Could Earth be swallowed by a black hole?
The Black Hole Solar System – PLANETPLANET
Fabio Pacucci: Could the Earth be swallowed by a black hole?
Can there be a black hole inside the Earth right now & would we notice it? - Quora
Ask Ethan: Could a black hole swallow the Earth? - Big Think
What If Earth Were Sucked Into a Black Hole?