All Questions
6
questions
-3
votes
5
answers
213
views
Can some regions of space (independent of size), be completely devoid of matter?
Before answering the question, keep in mind that I am a second year Biology student, with no experience in studying Physics and a very basic understanding of Mathematics. However, I have some ...
2
votes
1
answer
81
views
Amount of matter in two infinite universes [closed]
I don't know exactly where to find any other information on this question so I thought I would ask here. If there were two infinitely large universes one where 20% of the space in the universe was ...
3
votes
3
answers
204
views
Expansion of space or contracting of matter? [duplicate]
Can the expansion of the Universe effect be explained by contraction of the overall matter instead? That is, all material objects are in fact contracting, due to what the universal space seems (and ...
0
votes
1
answer
614
views
As space expands does the density of matter remain same or increase? [duplicate]
I learned that space is always expanding. Even between sun and earth, it's just gravity is stronger.
Imagine space as graph paper and there is a square object that fills it.
Space expands, 1x1 cell ...
1
vote
1
answer
756
views
How does mass affect the expansion of space?
I'm a layman and I'm curious to understand how mass affects the expansion of space and whether the expansion of space is uniform everywhere in the universe.
From looking at redshifts it seems we have ...
2
votes
1
answer
141
views
Is there, and if there is, what is the name of the concept that matter is made out of void/space?
I can't recall where I heard about this, but it was rather intriguing. I recall the notion that matter is compressed void/space, where I remember an example of a bedsheet representing space, and the ...