Questions with the keyword 'shape'

• Does the size or shape of the singularity of a black hole (if it has a size)? by kevbear to Heather, James, Mark, Matthew, Simon . Comments: (No comments so far)
• Do you think the universe is: – a large sphere that has a definite space? – a plane that stretches infinitely? – a U by kevbear to Simon, Matthew . Comments: (No comments so far)