Questions with the keyword 'matter'

• What is matter? by allisonbuddy to Brad, Chris . Comments: (No comments so far)
• What exactly is dark matter? by millie to Brad . Comments: (No comments so far)
• We were cut off in the chat. so continuing, I believed that the universe was expanding as a result of the big bang and by ntaber to Brad . Comments: (so far, 2 comments)
• Do you believe that a black hole is a hole through space and time to a Void dimension that contains nothing, and is by impendragon4427 to Brad, Chris, Goli, Herbert, Kate . Comments: (No comments so far)