Questions with the keyword 'universe'

• How many galaxies are in the universe ? by 424xygg42 to Gavin, Mark, Roisin Comments: (No comments so far )
• what is the universe made of by rockyali22 and 2 others. to Roisin, Michel, Mark, Karen, Gavin Comments: (No comments so far )
• How did the universe start? If the answer is the big bang how did the big bang happen if there was nothing there before by Aoife. to Mark Comments: (so far, 2s comments )