Questions with the keyword 'universe'

• why is the universe expsnding by 389sptm42 to Ollie Comments: (No comments so far )
• how and when will the universe end by 296sptm42 to Ollie, Guy, Angus, Christine Comments: (No comments so far )
• how old is the unvirse by 296sptm42 to Guy, Ollie Comments: (No comments so far )